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Unable to login to Windows Server 2012 R2

Hi,
We have 3 servers in our network: 1 Windows Server 2012 R2 (Domain Controller), 2 Windows Server 2008 R2 (1 domain controller, one Exchange).
Suddenly we were unable to logon tonthe windows 2012 machine using the administratir account! We are able to logon normally to the other servers! We have tried using other admin account, disconnectiog the machine from the network, rebooting but to no avail!!!
Any help would be much appreciated!
Thanks -
Windows Server 2012Active DirectoryWindows Server 2008

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Maclean

8/22/2022 - Mon
ASKER CERTIFIED SOLUTION
Cliff Galiher

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Will Szymkowski

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Maclean

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FOXMINDS

ASKER
Thank you guys for your prompt feedback!
@cliff: we have tried to login using more than one domain admins but to no avail. i will try rebooting into DSRM mode and let you know
@Will: Yes, the Win2012 Server holds the FSMO roles. The error it is giving when you login is: "Wrong username or password"
@Maclean: i can connect to other servers normally and replication works fluently between all servers!
SOLUTION
Maclean

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Maclean

Just out of interest, which solution worked for you? The DSRM or other? Might benefit future readers :)
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