Cannot ping domain controller Edit: Just to add more information, the server that is not able to ping the other is a AD controller server. com is Nov 7, 2017 · I am trying to connect a Windows 7 client to a Domain, the Domain was created on Windows 2012 Server (Core Version) and is fully working on that. In case you don’t want to open the link: I can ping the local domain name before I join it, then when I join I cannot ping it any longer. . I log into a local Windows 10 session on the laptop with domain\\user and password1. child. 2. Jan 20, 2018 · Problem: You have a domain controller in your network, and the PC/servers joined to that domain are not reachable by "ping", however, is possible to run Remote Desktop and connect remotely to the PC/server. Enable Windows Firewall logging and review the rules if blocked. com”). local resolves and shows me the IP addresses of the 2 domain controllers. This bug me the most, especially it was working previously and after the reinstall, it stops . You might have a VPN connection but no route. eu": The query was for the SRV record for _ldap. com running Static IP. The domain controller that sitting in front of the firewall has (obviously) been joined to the domain This seems to be because it can't resolve the fully qualified domain name of the domain controller. From my local Desktop I have to open a VPN application, and sign in using domain\\user and password1 to create a secure connection to my office network (this authenticates against our on-prem DC via NPS) . local. com) 2. Make sure Jan 25, 2021 · Hello All, I have a rather unique problem that I cannot solve and thought I’d reach out to some of you for some assistance. Is there any way we can troubleshoot this? Oct 27, 2015 · All servers can ping to domain controllers and they get responded back. com) when I am on my Home network (WI-FI or Jan 13, 2017 · Because DNS does not appear to be working our directory mappings that are set when every one logs in will not work. But as soon as you ping outside (google or anything) it fails. If this detection successful, it will get the domain firewall profile (allowing for correct ports and IPv4 ICMP ping) and we cannot change the network location profile. 1, the server’s own IP, and the gateway. I can ping the domain controller. Feb 14, 2022 · DC is VT-EDD-Server Domain is VT-EDD. Oct 11, 2018 · It doesn't work quite like that. Ie, if you are Company Inc. If you can read the file, that's positive but doesn't rule out that it may not exist on all domain controllers. I have tried most of what I have found online on the 4th pc, including manually setting the DNS and IP of the computer, setting DNS records on the server, creating the computer and the user Apr 20, 2021 · Hi, I have two virtual machines (Windows Hyper-V) Windows 10 - Enterprise edition Windows Server 2019 I installed the Active Directory, DNS and DHCP on Win Server. The output of nslookup abc. We have purchased a pair of servers for us to play around with while we learn. Jul 11, 2024 · ping the domain name of the other domain (such as, ping domain. abc. 0. As mentioned, I can ping everything in S1 from S2 (via IP address), except the DC. I do not have a static IP set on the network adapter that is allowing the talking from VM to VM, but I will double check that. local DNS should be domain controller otherwise it won't connect Both are connected via IPsec vpn tunnel. I am able to ping the domain “Example. Setup the network interface to have a static IP address, standard subnet, and gateway address of the router Set the DNS to I have a windows 10 enterprise VM on the same system and joined to the domain. Nov 27, 2024 · Pro Tip: Avoid using public DNS servers (like Google’s 8. As it stands now, I can ping the Domain Controller, I can remote into the Domain Controller and I have remoted into the Domain Controller and made sure that DNS is running. 4): Destination Host Unreachable” The firewall is off and I feel as though I have tried everything. The layer 3 SVIs are on Layer 3 switch. Feb 20, 2021 · DNS was successfully queried for the service location (SRV) resource record used to locate a domain controller for domain "xxxxx. 1. Also did nslookup on the DC and everything came back normal. Mar 29, 2020 · I have an issue where I can’t join the network domain through a VPN tunnel. Even if the IPv4 settings are OK, the domain cannot be found if the IPv6 setting for the DNS server is invalid because Windows prioritizes IPv6 by default. Both zones and associated servers are each listed in the others servers DNS record. Transversely, I am unable to ping the computer by its IP address from the domain controller. I have tried the DNS name, and the physical IP address and I just get back Request Time Mar 19, 2020 · From the VM in question: ensure you can ping both the shortname (CN) and the fully-qualified name (FQDN) of the Domain Controller, then you’ll be able to join this VM to the Domain. I have over 20 computers on my domain (lets call it “TestDomain. The solution involves checking DNS settings, replication status, FSMO roles, and firewall configuration. Main problem is I can't access the Active Directory from my primary domain control for the Child domain. 51; Windows client has primary DNS server set to 192. Jul 27, 2022 · If the correct DNS servers are not entered here, you now have to find out where the computer gets this configuration from. But I cannot ping them over the network from other domain computers. Here’s what’s happened: I remote into the DC. Now, I am having a problem: A few days after initial setup, I can't ping or connect to S01 from S02 any more, and vice versa. DC and DNS server are integrated in one device and it has an internal IP. That's not right. com, doing nslookup corp. it always returns unreachable. After doing some upgrades, we were cleaning up DNS and removed a reverse lookup zone and I think that had something to do with it, but all the records seem to look right. There are a lot of strange things occurring but I think one of the most obvious clues I can see is that nslookup returns incorrect IP addresses for my domain controller. NB: Computers are running MS Windows 7 I have tried firewall settings on advanced settings but not working with me. com to parent Sep 25, 2019 · Expand the currently used one, which should be Domain but it may not. While i was testing the issue with installing anti-virus, I had temporarily pointed that server at Google’s DNS instead of our internal for testing and when it worked that told me there was an internal DNS issue, I promptly changed Sep 10, 2020 · If you do not see a success message for several hours, then contact your administrator. If not one or more of the following dependent services are disabled: DNS Client Nov 6, 2013 · The domain controller is running on Hyper-V. 51) joined to this domain. 100 (IP of domain Sep 20, 2016 · So I ran dcpromo, and successfully converted S02 to a domain controller. When NLA starts to detect the network location, the machine will contact the domain controller via port 389. nltest comes back with 1355 0x54b ERROR_NO_SUCH_DOMAIN. g. 4. Brand new install and DC and still Issue: I cannot ping the other computer via a fully qualified DNS domain name. 150. nslookup works: PS C:\Users\Administrator> nslookup nuget Server: ad-01. docs. Test the connection to the domain controller using the ping command: Dec 6, 2018 · ping FQDN from client → can’t find host replace PTR on DNS and restart service. Occasionally it doesn’t. You should not only check the configuration of IPv4 but also of IPv6. The following domain controllers were identified by the query: yyyyyy. Jan 15, 2018 · Domain controllers registered in DNS are not connected to the network or are not running. com LAN and attempting to join a computer to the remote. com” and nslookup showed correct on info but after I joined domain and restarted the server, it is unable to ping any hostname and pinging “Example. 9. I also can only ping by IP address but not the FQDN. Dec 31, 2021 · Hi there We have an issue currently where one of our Domain controllers doesn’t have any internet access. Both DCs have Windows 2008 R2 installed The connection and replication between the two offices has been working perfectly until 22-11-2011 when there was a blackout that lasted 45 minutes or so in the B office. com, but the IP address Win10 Enterprise, can ping the domain hostname: SVR-DC domain: eventsrus. I've also made sure that there Jul 21, 2021 · some months back we reorganised our network and split the domain up into several subnets and VLANs. The system boot-up time has significantly increased. I have two Windows Server 2016 domain controllers one of them (pdc) is a virtual machine (hyper-v) the other a physical machine. I am able to ping the VM that is acting as the domain controller, the 2019 Server, from the 2012 R2 Server. Jun 8, 2009 · In my case I had the VM DNS pointing to both domain controller, and my home network router. parent. com. Everything connected in that network (2 servers) do ping the DNS server Sep 29, 2011 · The other domain controller is called DCB (192. I have a new Windows 11 pro station that I wish to connect to my Domain, I changed the DNS address to point to the server and turned off IPv6. It states “the active directory domain controller could not be contacted” when I try. I haven’t pinpoint a build version but it seems anything after 22500 has the issue. It seems that the user can't get a TGT from the domain controller. com…”. Can people in the office ping the DC by IP address, and by name? If yes, the issue is in the network path between your remote location and the server. This seemed to happen after September updates. _tcp. I think since I am not able to ping default Gateway i am getting this warning message. From the windows 10 system, I can ping the server by host and ip address, but i cannot reach the windows 10 system from the server. com It can ping internal hosts using their IP address It can ping the local Domain Controller/DNS I CANNOT ping via, IP address, the new domain controller on the same IP address. I can ping the gateway from all switches. I can ping domain controller IP correctly, domain controller hostname correctly, but cannot ping the domain name, and thereby not allowing any pcs to join domain controller. Both IP address and name fail for pinging or browsing shared folders. 50) and another VM (192. UPDATE : DHCP is in the routeur and not in the server. When you start the tool, specify the domain controller fully qualified domain name (FQDN), and query the Domains and Trusts set of services as follows: May 25, 2023 · In this case, if you can successfully ping the domain controller but cannot join the computer, you can refer to the suggestions provided in this guide to resolve the issue. domain. xxxxx. Sep 22, 2016 · I wanted to convert S02 to a domain controller to act as a backup in case the main server went down or internet connection was lost. So I went to unjoin the domain went back to Workgroup and Oct 14, 2022 · GPO seems to be not applied and it's impossible to reach any ressources on the network. They can ping each other and establish RDP connections internally. local) I receive Ping request could not find host server1. From any where not even when on domain controller. Make sure there are no entries for your domain or domain controller names in the hosts file located at C:\Windows\System32\Drivers\etc\hosts on the PC. Jun 8, 2011 · The domain controller with the Operations Master token for the PDC emulator (does not work) Any available DC (Does not work) Any available DC running server 2003 or later (does not work) This domain controller: server1. Jul 30, 2007 · WINS has the 4 entries needed for resolution: Domain Master Browser, Workgroup, Domain Controller, and Normal Group Name. I am getting a warning message in the summary tab in vCenter server. ( Please see the print-screen ) I am successfully able to nslookup & ping my DC server ip address ( Please see the print-screen ) I am also attaching print-screen of IP configuration. html reports that the GPO was denied Nov 21, 2019 · We have 4 domain controllers. Anyway, last night our UPS died, so our Windows Server 2012 (domain controller, file server, DHCP server) shut down. " Running Windows Server 2012 R2 all on servers and DCs Nov 5, 2020 · Move the closest domain controller on active directory site ; Create a subnet for each remote physical site and assign it to the active directory site where there is the closest domain controller ; Once you complete those steps, the client will find the closest domain controller based on active directory topology via dclocator process. Apr 2, 2012 · Re: Wireless Windows Domain access You need to login as the local admin on the machine and connect to the wireless network (make sure LAN is disconnected) then ping the domain controller. Computers joined to the domain must have proper name resolution and network connectivity to a domain controller for discovery of new Group Policy objects and settings. Apr 3, 2013 · Can ping by IP address but not by name: moonmoth: Linux - Newbie: 11: 07-23-2005 01:34 PM: can't ping my IP address: ust: Linux - Distributions: 5: 04-20-2005 04:55 AM: PPP establish can ping the gateway router but unable to ping the host: deepalalla: Linux - Networking: 0: 11-18-2004 09:10 AM: windows 98 m/c ping to ip address of red hat Jan 15, 2018 · Off topic; However, The AD Domain Name and the DNS name of the domain are two separate things. looking forward for your help. com it usually works. 19. In fact I’m RDP’ed to the server to make GPO changes. local' from '\\dc01 Feb 19, 2025 · If the ping response fails, try to ping the IP addresses for the domain displayed on the overview page in the portal for your managed domain, such as ping 10. Makes not sense as I can ping the server name and ping the IP address. Maybe the problem comes from my router ? I’m getting lost and if you have an idea I’ll gladly hear it. com” show up “ping request could not find host Example. Subnet is 192. If it is not, click it then click Save Changes. x. What could be causing this? Aug 31, 2011 · The remote location’s subnet is 192. Also I attempted to add the computer to the domain from the new interface and the computer cannot see the DC. Domain. I have a set of domain controllers behind a firewall, a domain controller in front of the firewall and a set of rules in place to allow for the DC’s to communicate. An SSL-VPN is used to connect the client with the DC. Because of this, I cannot join computers to the domain, nor authenticate new users from S2. 76, however I cannot ping the domain name. ActiveDirectory. If they cannot ping by name, but can ping by IP address, you have probably have a DNS Oct 25, 2024 · If the domain controller isn't in the optimal site, the client flushes the cache after 15 minutes and discards the cache entry. Thanks Regards Paul May 15, 2023 · Check the Host File for Domain Entries. From a workstation, can ping the Dec 22, 2018 · Hello, I demoted a domain controller after moving fsmo roles and DHCP off of it. Ensure that the radio button for Turn on network discovery is enabled. Even though domain controller was first in the list I still had this problem. I phone the user. First, we need to ping the domain controller from the affected device to test whether it’s working. 3 / Other client computers in the same network with the DC-01 can ping the DSKT-01 by it hostname. I can nslookup WinSer2019 and nslookup 192. Example: dc01. com you might call your AD domain "CORP" with the DNS name corp. Make sure the problem client can “Ping” the IP address of the DNS server and the domain controller (if they are different). Has anyone else come across this? Edit: Clarified that the systems are Win 11 22H2 Jan 28, 2014 · Hello everybody!!! I’m working on my final project and it consists of doing a small network with Active Directory, DNS, DHCP, FW, DMZ, Exchange, etc, etc… Right now, I’m having a little problem with my DNS and my DMZ. I can ping the gateway from only two VMs which are on seperate VLANs connected to seperate layer 2 switches. A domain trust has been configured and working properly. COSTELLO cannot ping OLLIE or ABBOTT Aug 14, 2018 · Ok here a funny thing on a server I recently created on a server 2008 R2. Each computer can ping itself using the computer name or its fully qualified name. Aug 26, 2021 · In this case, if the ammount of remaining affected machines if not very big, the fastest solution would be to re-join them in the domain since everything else seems to work fine now. Nov 8, 2020 · Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Sep 23, 2020 · Start with a tracert to see where the network is dropping. 50 and 192. com (Win serv 2022) → A server located in child domain serv. 1) or non-existent DNS server IP is specified here, change the preferred DNS server in the network adapter properties (ncpa. 2. 151. I used nslookup and found the pc but I cannot pink it. I have also updated the client's DNS to: and when I still try to join the domain I get Aug 3, 2023 · The Domain Controller and the Host connected to the Domain both have picked up the Domain profile, however since the other Host and VM are not connected to the domain (because they are unable to contact it) they are still just on a private profile. ping the FQDN of the DC in the other domain (such as, ping DCName. local). From my laptop I get no ping replies from xyz or xyz. 8) for domain-joined devices, as they cannot resolve internal domain names. May 31, 2018 · Yes. I am able to ping and access files from the Primary DC to the Child DC. Lastly, when joining the Domain, use the FQDN instead of the WINS/NetBIOS name of the domain, for example “ MyDomain. Server is Win 2008 R2. ping server1 not server1. I am physically connected to the contoso. 1) on the network 10. office. no WINS), then the client needs to know how to fully qualify hostnames. Sep 6, 2016 · (school is an example, not their actual domain name) In troubleshooting I found that I cannot ping/resolve the domain "school" from a domain controller or any pc, oddly enough I can ping/resolve a server or workstation in the domain by using "server1. 244. Hey gang, I've been struggling with this all day - got called in early, didn't take lunch, issue still not resolved, you know the drill. I have tried: power cycling the router (it is not the culprit) power cycling the switch new patch cable and different switch port Using NIC2 and disabling NIC1 (which it was using before). Your question "Could it be the reason why I cannot ping the Domain Controller by its full name?" is hard to answer, as you haven't provided any real information on the setup of your network. What do I need to be able to see my computer name from my laptop? I can't use a direct IP address as I'm on DHCP even on the domain. Symptoms. My internet is working, but somewhat slower than normally. com (Win serv 2022) → child domain with 1 DC: child. I also set up an A-record, which neither computer can ping. I’ve researched and Apr 6, 2017 · Randomly we have had two domain controllers experience a “No Internet Access” issue, ultimately causing all child servers to not be able to reach the internet. xxx. Then it says “the processing of Group Policy failed because of a lack of network connectivity to a domain controller”. If a packet capture reveals that branch computers are using a domain controller in another site, it may be due to it is common to configure domain controllers in spoke sites (branch offices) to use DNS mnemonics, that instructs a domain controller which DNS records to avoid registering. cpl > Network Adapter Properties > IPv4 Properties > Manually set your DC’s IP address as preferred DNS). If IPv6 is not configured correctly it will also cause problems. I do have connectivity to my network. Make sure your VPN advertises a route to the remote network. I thought that maybe the network wasn’t being detected as the domain network for some time after logging in, but I could see from the network connectivity icon/widget on the logon screen that it was acknowleging the network as the domain network. However when I ping the domain name it returns correctly. I already talked to sonicwall support to confirm with them that it wasn't a firewall issue. When I do a klist it's empty. Original KB number: 3088277. x subnet from S02 by name, but IP addresses work. I notice I can’t access the target PC’s administrative shares so I ping it. dc. I also can’t ping devices on the 192. The ethernet adapter on the server is working. When pinging the Netbios name from host the DNS resolves and ping is successful. When I ping from a server to another server, I get following message "Destination host unreachable. com – Name of your domain === or === ping 192. So I checked and I can’t ping domain name. I cannot have functioning VPN connected up for some reason. The problem is that my Domain controller cannot ping the virtual machine. Right-click on the Ethernet and select Properties. Type ncpa. Both dcs can be pinged from the host machine of hyper-v pdc. 1 is in there, something is broken. My desktop computer name is xyz, domain name smartec. I'm at a loss here. They are working perfectly fine. Verify that the DNS settings are correctly configured for both domains. I've manually set IPs all on the same subnet for all my computers and also set the first entry in the DNS fields to be my Domain Controller. The VPN is working flawlessly on my girlfriend's Manjaro box as well as on my OpenBSD system. 237. However, I noticed it was not Apr 8, 2014 · My workstation can ping our default gateway, but the domain controller can’t. May 23, 2021 · But still, I cannot ping the client PC by its hostname. Open the Command Prompt on the Device Controller (DC). Use the PortQryUI tool to probe for availability of important domain controller services. company. When I ping just "server01", I get a response. With wireshark, I see at each attempt an "AS-REQ" but no "AS-REP". XX. I’m confused because I can ping the DC server when I connect to the VPN and can do everything else that the VPN allows me to do except join a domain. 168. In this case, 10. Check Network Connectivity. I have a peculiar issue. 8. XYZ. com) ping IP address of the Domain Controller in the other domain. smartec. The system cannot contact a domain controller to service the authentication request. com to child. e. Additional note, all above server services are running on the same server windows 2012 Jun 7, 2014 · So a friend and I have decided to learn servers and virtualisation. My local desktop now has access to mapped drives to on-prem servers and I can Probably a DNS issue. Cannot join domain despite able to ping to domain to domain controller Jan 20, 2025 · We can’t ping our ‘domain’ without a period. I am at a loss on what to do in this case. cpl and hit the Enter button. x/24 and their domain is remote. If any client (domain member) tries to do a lookup and use that address, it won't work. 2/ DC-01 can ping other client computers in the same network using their Hostname. I’ve tried doing dns flushes, changing the order of DNS server settings in the servers Jul 8, 2022 · Hello, guys some help. ***Important- go back and check to see if it is still enabled. So here’s my setup. If 127. com Address: 192. internal XYZ-domain Read-only No " Apr 21, 2022 · If you can't read the file then that's a red flag. If you're only using DNS resolution in your network (i. The message says it identified domain controllers but could not contact them: The following domain controllers were identified by query however no domain controllers could be contacted A or AAAA records that map the names of the domain controllers to their IP addr are missing or contain incorrect The active directory domain controller/dns server (same box) is on the 192. However, when I connect to the Hyper-V console and check the VM, I see that the Ethernet connection is May 7, 2021 · Update, totally started from scratch as the server is not in production as yet and still cannot ping domain by name. the dns entry for adc and bdc were also present on the DNS. I. I can ping our DC & DNS IPs, disjoined/rejoined to Oct 30, 2012 · Try adding . Not by IP or hostname. This leads to most of the shared folders becoming inaccessible, and the Exchange server also becomes unresponsive. 1. DNS Configuration . Preface: Site 1 = Established domain in another city. I noticed that as of late I am unable to to ping certain computers on my domain. 10 From Windows machine, I can ping the server name and the IP address of the server. I have a HyperV Server hosting a Domain Controller VM (192. 20. Notice that neither pings were working before one of them started working. After We are having issues with Win 11 22H2 laptops unable to contact domain controllers. I did this 2 weeks ago and all went well I thought and today it started rejecting login credentials. co. 10 without any Jul 16, 2020 · I have a domain name that I want to point to my private server as I am setting up the server and the server is on the virtual machine. When pinging using using FQDN (server1. 4) and they can ping other things in the network including the default gateway and other things can ping them but whenever they try to ping each other it says “Reply from x. I cannot ping the Client PC. As soon as I change it back to the same one, pings stop, etc. I did not try the FQDN. From the Win 7 Client, I can Ping "10. 0/24] Each domain has a separate AD domain controller and DNS server. To make that a little easier to understand, here is an example: STAN can Ping COSTELLO and vice-versa. My Domain controller can ping my ESX host. Feb 15, 2018 · I have a primary domain XXX. Then I try to ping the fully qualified domain name with a . There might be a number of causes why that machines remain not able to authenticate, but I suspect something related with AD token expiration during the time that After logging in, it is completely unable to connect to the domain, stating that the domain controller cannot be found, and that the DNS does not exist. com (Win serv 2016) → those 2 domains are on different subnets The problem is I can’t ping from parent. Dec 13, 2021 · I recently have installed DHCP, DNS, and ADDC controllers on windows server 2012. My virtual machine can ping the ESX host and the domain controller. Windows Server 2016 standard domain. Can you tell me why i am unable Dec 1, 2022 · I can ping both domain controllers no problem. 2" and May 28, 2016 · Hey I need your help, I have tired researching but I have not found anything yet. 85. SERVER-01 also has an IPv6 address, possibly from router's DHCP server. Get list of DCs in domain 'mydomain. 20 Name: nuget. Make sure that you've configured the managed domain DNS servers for the virtual Jan 22, 2017 · Also on the Sophos UTM is another internal subnet 10. 0/24] and school. Jan 17, 2014 · Yet, it can ping the server. If not next step. 0 subnet. 2 (or x. If it resolves the FQDN during the ping, and you’re receiving responses then you’re good to go! If I unjoin them from domain, I was able to access services from different subnet. Also I can see the server in the network. I have set the static IP and add that IP to my domain DNS setting…but when I ping domain name in PowerShell or CMD… like ping domain. The domains are NOT set to trust each other. I can ping it if I make the IP address on the replacement a net new IP, same subnet. It appears that the now acting domain controller simply refuses to allow communication with the new DC with the same IP. 10 So Oct 22, 2014 · Greetings, We have been having a strange issue with our DNS for about a week now. Nov 28, 2016 · From what I have gathered this is a DNS issue but I checked DNS and there is an A record in the Forward Lookup Zone as well as an entry in the Reverse Lookup Zone. From the DC I can ping the host ip address in the new subnet. The tunnel works fine and I can ping literally any other IP address at the main site except for the DC. e, go to: Ethernet Status; Click Properties; Internet Protocol Version 4; Click Properties; Click Advanced; Append these DNS suffices (in order) The IP address of one of the AD domain controllers must be specified as the DNS server in this list on the client computer. 10) and is located in office B. Jul 11, 2007 · The domain computers CAN ping the dc but the dc CANNOT ping the user pc’s with a name or and address. com should return the normal IP addresses of all the Domain Controllers. So if we ping ‘domain. It's only when I ping the server's fully-qualified domain name "server01. Then I try to ping it's fully qualified domain name and it fails. As far as I can tell, nothing has changed on the domain controller. It then attempts to find an optimal domain controller in the same site as the client. I set the reverse lookup zone. DHCP/Authentication is Domain controller Site 2 = New site (should be May 1, 2018 · They are on the same network (DC1 is x. com => “ping request could not find the host domain. com When I ping ad. UPDATE 2 : May 26, 2010 · I’ve got two different Active Directory domains: office. Try: ping DC01. After the client establishes a communications path to the domain controller, it can establish the logon and authentication credentials. za. What determines which domain controller responds when I ping our internal domain name? It seems when I ping from one computer I get a response from one domain controller and when I ping from another computer I get a response from a different domain controller. ( Please see the print-screen ) I am successfully able to nslookup & ping my DC server ip address ( Please see the print-screen ) Nov 19, 2015 · The reservation is in DHCP so that the IP is not handed out to another client. I am able to ping from a child server to each DC and then to the boarder firewall’s internal IP address Dec 1, 2022 · I can ping both domain controllers no problem. I am thinking that my Domain Controller has such configurations that is not allowing other subnets to access services of domain joined machines. However I doubt this is a domain issue. Pretend our domain is named ad. e corp. May 26, 2020 · I take a work laptop home. An event will be logged when Group Policy is successful. Mar 13, 2017 · My guys were complaining domain name was too long… They often have to enter it because they connect so many computers to it per day. Somehow they have stopped seeing each other and neither can ping each other (request times out). 2 and DC2 is x. I checked my DNS config again and again. com or similar. _msdcs. We are unable to join our PCs on the domain at this point and can’t contact the domain with the period either on join. Have you tried using FQDN or IP of domain controller to do your ping? A computer not on domain is not going to be able to resolve name. I just tried for the DC and DNS servers, after removing the hosts and lmhosts and now it cannot ping anywhere with the hostname, but the IP still works. Here's my problem: Users can connect to our VPN and access network resources, but nothing related to domain controllers works. I'm in a fairly new position as a Sysadmin. I check with them, the machine is on and they’re not having any network browsing problem. Server 1 Setup - Install the free Hyper V 2012. I am able to ping remote. com Computers: ComputerA, ComputerB Fully Qualified Names: ComputerA. I run into an issue when adding the domain controller at Location 2 to join t&hellip; Nov 7, 2014 · I have a Windows 7 computer on my domain that is behaving oddly. X. Each domain should be able to resolve the Aug 3, 2023 · I can also ping the VM from the Host. When this occurs, I am unable to ping the domain controller (also our DNS server) by its IP address from the computer. Oct 27, 2024 · Hope someone can point me in the right direction. Device Controller. example. We have links between three buildings. 172. For clarity, the second server is off at all times, we have not got that far. The message says it identified domain controllers but could not contact them: The following domain controllers were identified by query however no domain controllers could be contacted. contoso. com and ComputerB. Mar 18, 2025 · Ping the IP address, the server name, and the domain name. Any ideas? Jul 24, 2023 · No I have not added a virtual Router on the same VMnet4 network… My Default Gateway IP is 172. Check each hop of your networking. Apr 15, 2020 · Hello Super User Members, (any help is appreciated on this one) I have a strange issue, I am able to ping my company's internal address (ex: hq. The DA server cannot ping the domain controller for that child domain and it used to be able to. I am able to ping the server with the IP address and ping the server by the machine name, and even ping the machine from the server, but I cannot connect to the domain, everytime I type the domain name it asks for the user name Sep 7, 2023 · I have two Domain Controllers (DCs) in High Availability (HA) mode. User Policy could not be updated successfully. Consider the following scenario: LMHOSTS file on Windows Server does not contain client hostname. Dec 20, 2016 · Hi Team, I have three domain computers connected to my LAN, all the computers receive the IP Addresses in my defined range 10. to the DNS suffixes for that connection. PS : There is no firewall running in my environment. myoffice. com" that I get "unknown host". If you can successfully ping the IP address but not the domain, DNS may be incorrectly configured. 11. If you are trying to setup an actual Active Directory domain, and contact an actual AD "Domain Controller", then you need to reconfigure this client to Nov 5, 2020 · Here is my configuration: Windows Server 2019 with Linux CentOS 7 installed on VMWare Workstation 16 Pro Windows Server has domain controller I'm using NAT as connection I can ping the Linux from Do not adjust the DNS or DHCP properties of your VMs in Azure. local Host(A) 10. - My real domain name is (obviously) not example. server2. Oct 29, 2012 · My domain controller, ESX host, and virtual machine are all on the same subnet and seem to be working appropriately for the most part. GPResult /h gpresult. Server info: Server name: WinSer2019 Domain: benim. Oct 7, 2019 · We have a domain (Location 1) and another domain (Location 2). 8 or 1. with the website www. Then make sure it can also “Ping” the DNS server and domain controller by name. Oct 1, 2013 · Hi All, Domain Controller - Windows Server 2008 R2 Standard Client OS - Window Server 2003 ( Terminal Server ) I am unable to ping my Active Directory Domain Name i. Read : How to delete Oct 11, 2012 · When I ping the server's IP address, I get a response. 65. 10. google. me Static IP address: 192. Thanks a million, this was driving me nuts! – Mar 23, 2021 · Windows will automatically retry this operation at the next refresh cycle. internal XYZ-domain Read-only No. They can't change ad password. This way your second machine can located the first DC to join the domain. It is possible to ping www. Also internet browsing Mar 19, 2022 · But I would like to stop relying on luck and understand why one server can ping the other but not the other way around. 10 and dc01. First, is that correct? Second, if that is correct, then I’m even more confused because when I cannot ping that address, I can still ping all the Jan 30, 2024 · From this device that is having issues I can Successfully ping the domain controllers by IP, Name, and by FQDN. If the public (such as 8. 50 and secondary to my ISP; I can ping Oct 3, 2023 · I had another follow up question however, even when I am connected to the Active Domain, whenever I type in this command: “System. ping client from server → can’t reach. Does anyone know what the heck could be happening? P. I did have an old member server crash and is not off the domain but it was not running dns Jul 24, 2018 · If the DC site and client site are not the same, the AD Connector performs a DNS SRV query scoped to the discovered client site, gets the list of domain controllers serving the client site, sends CLDAP ping requests to these domain controllers, and processes only the first response, if any. Nslookup domainname. Domain]::GetCurrentDomain()”, I get the following issue in Powershell, "Exception Calling “GetCurrentDomain” with ‘0’ argument(s): “Current Security Context is not Aug 10, 2021 · Domain controller and members must use the static ip address of domain controller for DNS and no others such as router or public DNS . One is windows domain controller and the other one is Vsphere Center VM. Check which site your client belongs to. After the changes and modifications to the domain controller in B3, the domain controller can see and talk to devices on the domain without any issues. com running DHCP. com, also I can ping from child. Jul 22, 2019 · So there’s been an issue come up in the last week or so where I can’t ping our domain name, and I also can’t join any new devices. Only went away when I removed the router as secondary DNS. So I ran dcpromo, and successfully converted S02 to a domain controller. If you cannot ping the domain controller then that's your problem and we can troubleshoot further. A or AAAA records that map the names of the domain controllers to their IP addr are missing or contain incorrect Jun 7, 2023 · Hi, I have this lab: → Parent domain managed by 2 domain controllers: parent. local [10. Mar 24, 2023 · A user asks why they cannot ping their domain name but can ping their server name, and gets help from other users and experts. Probably DNS service on that DC. If this fails (times out) you have a comms problem check the network card and cabling. Jun 8, 2022 · Hello I have a question that I cannot find answers to when searching Google. Client OS - Window Server 2003 ( Terminal Server ) I am unable to ping my Active Directory Domain Name i. Sep 17, 2018 · If you can ping, then communication is working correctly. Oct 1, 2013 · Domain Controller - Windows Server 2008 R2 Standard. mycomapny. In Active Directory Sites and Services I have both DCs under one group. DirectoryServices. I have: domain controller as DNS server ; forward lookup zone for the domain with host record for 192. Aug 14, 2021 · Press Win+R to open the Run dialog. ’ we get a return on the ip address but if we ping our domain as we normally would we get ping request couldn’t find the domain. Jul 27, 2024 · Fix: The system cannot contact a domain controller in Windows 11 Method 1: Ping the Hostname and DC (Domain Controller) from the Client Device. OLLIE can Ping ABBOTT and vice-versa. 0/24 and there is a child domain on this subnet with 1 domain controller, 2 servers and some clients. Not much knowledge was transferred from the last Sysadmin. school. OK out of all windows. S. I can ping the server's ip 172. za, full computer name is xyz. Sep 2, 2024 · Not enough details for us to identify the specific cause, but to troubleshoot: Test pinging 127. If this is the case I'd turn off the router's IPv6 DHCP function. WINS server is not configured on Windows Server, or WINS server does not resolve client hostname. vSphere HA agent on this Host could not reach isolation address. The only problem, I cannot seem to ping my DC/DNS/DHCP from any machine at S2. You just need to make sure that the virtual network you created in Azure has your internal IP address of the domain controller listed. I have a Child domain child. Randomly, some of our computers (mostly laptops) will lose their DNS functionality. My understanding is that when I ping that address, I’m actually pinging a random domain controller. Double-click on the Internet Protocol Version 4 (TCP/IPv4). com domain. The other one is a regular windows server Dec 9, 2018 · I have this exact same problem Can't Ping Domain After Joining Domain on a hyper V guest VM running server 2016. When I demoted the old DC it seemed to go ok, but then when I tried to remote back into Dec 1, 2008 · Chances are you are trying to ping a machine not on the same domain. Kinda of stumped Mar 8, 2021 · Hi all, I'm needing some help with troubleshooting a situation where the workstations at a new site cannot find the domain controller. i can ping from these two VMs to any VLAN. Make sure "domain" is in the client's DNS suffix list. Computers at S1 can ping DC from within as well, so nothing wrong there either. 0/24. The interesting part is that the servers are still receiving data from the outside (due to public IP NATs at the firewall). They also serve as DNS servers, and their operating system is Windows Server 2019. 17 Ping fails: Oct 25, 2009 · This is obviously not going to be all DC's in a multi-DC environment but if all you want is a quick way to find the name of a Domain Controller then from a command shell: set l <enter> Will return all Environment variables that start with "L" including the name of a DC. This specific DC, has internet network connection as we can ping from it outward on all internal IP’s. My problem is that I cannot ping the opposite Host or VM from the VM I'm working with. 10. We are trying to get a DC setup at Location 2 joining the domain of Location 1. If your Active Directory domain is corp. Now, I am having a problem: I can’t ping or connect to S01 from S02, and vice versa. However, I cannot ping them from… Jan 10, 2014 · Click the Add button below that section, and type in the domain name (e. When you ping the fully qualified name of the server this should then work. Apr 20, 2020 · Domain Controller (DC) & DNS server: Windows Server 2016 Client: Windows 10. Apr 23, 2019 · I can't ping any domain names, but I can normally ping IPs. Other servers and devices within the network can ping each other and can browse the internet. But domain controllers in only two buildings (lets call them B1 and B3). school". > nltest /dclist:mydomain. at the end and it succeeds. local Client is VT-EDD-IIS1 (I'll have others, but once this is fixed I'll have this solved) Not sure if I even NEEDED to, but I added the IP for the DC and domain to the client's host file, and now I can ping the server. Domain: myoffice. Of course I can ping the FQDN internally on the Domain controller but not the host server. Please try again later. Have checked DC health, dcdiag all seems to pass OK, DCs are replicating OK, confirmed with repadmin. Any help to sort the problem out. We have an extremely strange issue where all of our domain-joined machines are showing connected to a Private network rather than Domain network, and users are unable to logon other than with cached credentials. This PowerShell command will provide the site the client belongs to as well as the domain controllers it considers relevant to that site. Users would have the down-level logon name of CORP\Username and a UPN of username@corp. Open a command prompt and try pinging the domain controller, but don’t use the FQDN (e. contoso. However no domain controllers could be contacted. In regards to the previous post, I am trying to ping the domain name Mar 29, 2020 · When your users report that they see “an active directory domain controller for the domain could not be contacted” there could be a few different causes for this issue. com ” instead of “MyDomain” Jan 15, 2025 · This article describes how to make domain controllers to reply to LDAP Ping. com, where; DC01 – Name of domain controller. Jun 10, 2014 · From my Win 7x64 pc, after gpupdate /force, I get “user policy completed successfully”. And vice versa as well with no issue. It said that it cant contact the domain controller, however it can ping to the domain controller successfully either by ip or domain name. They can ping the server. I have an Active Directory / DNS(10. When I was pinging successfully, I was doing so with the hostname and IP successfully. OLLIE can Ping STAN and vice-versa. com’s primary domain controller (which its hostname is rmdc Apr 26, 2023 · Dear Spicework experts, We have a domain controller virtual machine WS2012R2 (VM) running on Hyper-V, and sometimes it stops accepting incoming connections, such as pings. eu . B. gbkkzgp vupq qzper opqhxz kfcd isyh ymuo dvzbtf ighzr bnvwa fzfmgc jvfabu kbtk kpfks ezebp