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Domain admin password corruption/change.

Posted on 2010-11-17
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Last Modified: 2012-05-10
I have a domain with 2 AD controllers.
Upon rebooting either controller we are not able to log into the system with the admin account.
We can change the password (to the same thing as before) on the other AD controller we can then log in.

I have enabled auditing on the system to see if something is changing the password (policy) and nothing is/has.

I have looked at the FSMO roles to find that the domain controller (operations masters) cannot be found (i.e., ERROR) upon reboot.  if I force a sync, via Sites & Services, they FSMO roles return to normal.

I know that there is a misconfiguration someplace or some parts of the system are not communicating properly, however there are no DNS errors to indicate a naming issue and WINS is functioning properly.

Any ideas?
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Question by:jeffmorlen
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by:jeffmorlen
ID: 34161532
BTW: Both AD Controllers pass the DCDIAG test with no errors.
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Expert Comment

by:OriNetworks
ID: 34161595
Backup systemstate of both, remove one from domain conroller role and see if the one dc gives you any problems. Be sure to seize all roles to this domain controller. Promote the other back to dc role and transfer any necessary demo roles. Maybe this will sync up any problems.  Other than that, any recent changes?
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by:jeffmorlen
ID: 34163783
That is the path that I was heading down, but was hoping that someone had seen and then fixed this.

Due to this servers being part of a network that needs to be up 24/7, maintenance will have to be scheduled.

If someone else has seen this and fixed it, please let me know ASAP.  I'll be scheduling this work to be done soon.
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by:jeffmorlen
ID: 34205124
Anybody else have a solution other than an AD Server rebuild?
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by:OriNetworks
ID: 34209259
my suggestion is just to reinstall the role not necessarily rebuild the entire server
 It may be a quicker and easier solution for you.
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jeffmorlen earned 0 total points
ID: 34252396
Understood... however I was hoping to avoid that.
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Author Closing Comment

by:jeffmorlen
ID: 34281159
No comments were posted as to fix to this issue.
A rebuild of the AD structure is not a fix.
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