Windows 2008 Active Directory 3 Servers, Domain unavailable when one of them goes down.

Rob Fink 0 Reputation points
2023-04-04T19:49:16.73+00:00

I have an old Windows 2008 AD with 3 DCs. DC1 used to hold all the rolls, I moved them to DC3 a long time ago. I am running into an issue where if DC1 is offline neither DC2 or DC3 can open the active directory users and computers. I get the error that it does not exist or cannot be connected. Also if I run a "netdom query fsmo" it returns saying either that the RDC server can't be reached or that it can't connect to anything.
Any ideas , tools would be much appreciated.

Windows for business | Windows Client for IT Pros | Directory services | Active Directory
Windows for business | Windows Server | User experience | Other
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  1. Anonymous
    2023-04-05T13:35:51.3933333+00:00

    Please run;

    Dcdiag /v /c /d /e /s:%computername% >C:\dcdiag.log (run on PDC emulator) repadmin /showrepl >C:\repl.txt (run on any domain controller) ipconfig /all > C:\%computername%.txt (run on EVERY domain controller) ipconfig /all > C:\problemworkstation.txt (run on problem pc)

    Also check the domain controller System and Replication (DFS or FRS) event logs for errors since last boot. Post the Event Source and Event IDs of any found. (no evtx files)

    then put unzipped text files up on OneDrive and share a link.

    1 person found this answer helpful.

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