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Urgent domain controller problems

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Last Modified: 2017-04-27
Hi,
A client was attempting to change domain controllers, DCA - Windows 2003 to DCB - Windows 2012 R2.
Unfortunately the changeover has gone wrong and we urgently need to revert back to DCA
I can confirm all the FSMO roles have been moved to DCB. Those I can move back.
Now DCA is listed twice in AD. Once as a domain controller and once as member server.
There are a few replication issues too between the DC's.
Users who changed passwords are unable to logon with their new passwords but the old ones work.
I just need to get DCA back as the main DC by tomorrow morning.

Please help.
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David Johnson, CDSimple Geek from the '70s
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Commented:
And there is no backup right?
What exactly did the client do in what order ?
Patrick BogersDatacenter platform engineer Lindows
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SunilTechnical Specialist - Wintel Operations.
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Patrick BogersDatacenter platform engineer Lindows
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Commented:
Seize? No i think not.....
Shaun VermaakSenior Consultant
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Commented:
Seems DCA was demoted to a member server, please check by login into it
Architect
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Patrick BogersDatacenter platform engineer Lindows
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Commented:
DonKwizote, please come back to this question and rate it.

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Thank you, All

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