02
Aug
07

Domain Controller logon problem fixed

Tonight we fixed my friendís network – see this post for history. It turns out that after changing IPs on the first server, the servers lost communication long enough for the password on one of the 2 of them to expire. This was causing replication to fail, which caused DNS to fail to update, and the 2nd DC stopped answering client requests.

Thanks to cyrilliano at Neowin Forums I was reminded of all the fun that is netdom.

I just had to run netdom resetpwd /server:dc2 /userd:FOOBAR\administrator /passwordd:admin_password and wait 15 minutes. His post suggests disabling the KDC service, but I found it unneccessary. However, the 10 minute wait was not quite enough in my situation. Yet another reminder that patience is the first requirement for DC troubleshooting.


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