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SRV2022 Domain Controller Issues

Posted on 2013-11-01
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Last Modified: 2013-12-11
We are getting increasing amounts of SRV 2022 (Description: the server was unable to find a free connection) on a couple of our domain controllers. Can someone please advise?
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Question by:syseng007
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by:Seth Simmons
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take a look at this article

http://support.microsoft.com/kb/317249

you didn't specify what version of windows, how many servers, etc.
could you elaborate more on the systems involved and their roles?
might help to understand the problem better
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by:syseng007
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Hi Seth2740. Sorry about that. Windows 2003, 145 domain controllers in that site.

11 DCs are reporting these kind of errors. None of them holds a FSMO role.
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by:Seth Simmons
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did that article help at all?

145 domain controllers at that site?  how many users?
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by:syseng007
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I'm looking into the article.

Yep, 145 DCs at that site. It is a huge environment. Users are approximately 200,000.
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by:Seth Simmons
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wow...ok

any other issues on those boxes like hardware, high memory/cpu usage?
how long is the uptime on these 2?
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by:syseng007
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I have to check and let you know. Which hardware in particular you think is causing this?
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by:syseng007
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I checked and CPU usage is low, however disk I/O is over 500 read/writes.
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by:Seth Simmons
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anything...disk, memory, nic
i'm leaning less to that though and more to an os/environment issue but just wanted to be sure
maybe these particular domain controllers are getting hit hard with something causing a bottleneck

do these provide any other services besides dc/gc?
how many of these 145 are also gc?
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by:syseng007
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No there are just DCs/GCs.

I have to get back to you to see how many are GCs.
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Seth Simmons earned 500 total points
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i'm only wondering if there is a shortage of GC's there and these few are getting hit hard

i'm assuming these are gb interfaces?  the kb article mentioned possible network and hard drives as being affected.  are these physical or virtual servers?  have you tried rebooting?
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by:syseng007
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They are all physical, no havent tried rebooting...
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