Problem logging in the Administrator to Outlook Web Access on Exchange 2010

Hello,

We have recently migrated from Exchange 2003 to 2010 and have got a problem with only the domain administrator account logging on to its email account via OWA.  After putting correct info in and clicking logon we get the message below.  Mailbox Features shows OWA enabled so puzzled.

The Active Directory resource couldn't be accessed. This may be because the Active Directory object doesn't exist or the object has become corrupted, or because you don't have the correct permissions.

Thanks
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cloughsAsked:
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Will SzymkowskiSenior Solution ArchitectCommented:
Have you renamed your administrator account to something else? This can be done via group policy.

Will.
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cloughsAuthor Commented:
No I havent, why should I have to do that?!
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Will SzymkowskiSenior Solution ArchitectCommented:
It was more of a question and that i could have been done by Group Policy. There might be caching on the server which has not cleared yet. Have you tried to stop/start the information store service for Exchange as it speeds up this process?

Also checking the Events on the Exchange servers may provide more detail to this error message.

I would also check the permissions on the Administrator account in ADUC (security tab) to ensure that the Exchange servers/subsystem/etc have the appropriate permissions. You can cross-reference this with an account that works.

Will.
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cloughsAuthor Commented:
No florin that hasnt helped.  
Have checked the permissions and they appear to be correct Spec01.  

Edit: Found one permission that wasnt correct and have corrected it.  All OK now - many thanks!
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