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SBS 2011 Exchange 2010 problem - both EM Shell and EM console fail to connect "unkown user or password"

Posted on 2013-12-11
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Last Modified: 2013-12-18
This is an established Exchange 2010 on SBS 2011. It's been working pretty much just fine until now.

I discovered yesterday that we can no longer access EM Shell or EM console.

The error in both is:
Connecting to remote server failed with the following error message : Logon failure: unkown user name or bad password. For more information, see the about_Remote_Troubleshooting Help Topic.

That help topic is here: http://technet.microsoft.com/en-us/library/hh847850.aspx
I didn't see an exact match or find much help there.

There are a ton of questions all over the internet about this exact issue with a lot of various answers. None of th eones I have found so far have helped.

I want to also point out that when running the "Fix my Network" wizard in SBS console, it ID's this problem, but offers no solutions. It ALSO finds that the self-signed cert is expoired, but this is NOT the case. However, if I let it try to repair the cert issue anyway, it "fails" even though it creates a new certifcate. I have 4 shiny new ones listed now.

Because of the issue with the certificates, I can't help thinking that the problem is deeper in IIS than just Powershell, but I don't know. I'm not an IIS expert.

I will say that activesync, mail flow, owa, ecp, etc all work just fine.

Any help trying to narrow in on the cause would be appreciated.
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Question by:richardsit
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Expert Comment

by:Andrew Davis
ID: 39713217
Check that all the required exchange services are running. I have attached a screen shot of my SBS2011 server and the associated services.

Does it make a difference if you right click on either shell or console and select to "run as administrator".

Cheers
Andrew.
ExchServices.JPG
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Author Comment

by:richardsit
ID: 39713322
They are. I have compared everything I can to multiple reference servers.

Also tried run as admin with no luck.
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Assisted Solution

by:donnk
donnk earned 250 total points
ID: 39713383
what are the event log errors, have you ran BPA tool and what does it say ?
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Accepted Solution

by:
richardsit earned 0 total points
ID: 39717670
I had run BPA with nothing in there being helpful. Resolved a few other issues and none seem related or helped.

I did decide to go back through the error logs again to try and get you that info. I had gone through them before and again resolved a couple minor things that didn't help.

then I noticed a Kerberos warning 14 in there which I did not notice before.

Turns out the credential in credentila manager for the administrator was wrong. The weird thing is we changed that password three months ago and it never gave us an issue in kerberos EMS/EMC logins. we change it pretty regularly just to be safe and never had htis issue before.

So weird. Thanks for all the effort.
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Author Closing Comment

by:richardsit
ID: 39726209
While the other poster pointed gnerically to logs, I found the solution on my own.
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