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demoting a domain controller

Posted on 2006-06-16
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Last Modified: 2010-04-13
I am trying to demote an old server and take it off line, well put it as a domain server for now, eventually takiing it offline. I have two domain controllers, both configured with Windows 2000 server. When I run dcpromo from the server I want to demote, I am getting this error.  I checked and it was a global catalog server, but now my other server is the global catalog server, if that makes a difference.

"A domain controller could not be contacted for the domain xxxx.com that contained an account for this computer" and then the demotion fails.

Any ideas?
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Question by:glentimmons
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6 Comments
 

Author Comment

by:glentimmons
ID: 16921143
Update. I had to set my old server back to also have Global Catalog checked. When it was unchecked my users were unable to use Outlook, it could not find the exchange server.
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Accepted Solution

by:
Lee W, MVP earned 1500 total points
ID: 16921197
Make sure the new server is set as a global catalog server.  WAIT for it to replicate.  Then DO NOT DEMOTE IT.  Power it off.  Once you know your users are working successfully and some time has passed - say at least a couple of days and preferrably a week, then try to demote it.

Also, Check your event logs.  Make sure there are no AD problems and CHECK YOUR DNS!  Problems like this can often be related to DNS issues - You might want to manually delete the service records for the old system as a GC (Do a SYSTEM STATE backup first and/or change your DNS to be NOT AD integrated.  Then backup the zone file.  Yes, things should be dynamic, and if necessary, the records for everything should be reregistered on reboots from the server, but its better to be backed up than to be screwed up later.
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Author Comment

by:glentimmons
ID: 16921214
How can I tell it successfully replicated? I do have both set as global catalog servers.
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Author Comment

by:glentimmons
ID: 16921228
I need to keep this old server up and running for now, it has too much data that hasn't been moved so I just want it off as a domain controller.
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LVL 96

Expert Comment

by:Lee W, MVP
ID: 16921336
How many DCs overall do you have?

have you checked the event logs?  Do you have other sites?
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Author Comment

by:glentimmons
ID: 16921430
I just have the two, no other sites.  when I look in the event viewer of the old controller I see and error with event ID: 13568.

"The file replication service has detected that the replica set "domain system volume (sysvol share)" is in JRNL_WRAP_ERROR.
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