troubleshooting Question

System Attendant Mailbox missing

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We have an Exchange 2007 server (Version 8.3 Build 83.6) On a Server 2003 x64 Enterprise server.

We have multiple databases but the primary one (or first one made on the server) became corrupted and Microsoft assisted us in moving the users to a new Database and the old one was decommissioned.
However now the system attendant mailbox does not appear in the list of mailboxes (when a get-mailboxstatistics cmd is run through the Exchange PowerShell).
Issues:
The GAL is not publishing to the OAB (can see new entries in OWA but not in Outlook cached mode)
We get errors trying to move mailboxes:
  <Result IsWarning="False" ErrorCode="-1056749262">Error occurred in the step: Opening source mailbox. Failed to open mailbox with error: ClassFactory cannot supply requested class</Result>
We get errors in the event viewer:
Event Type:      Error
Event Source:      MSExchange System Attendant Mailbox
Event Category:      General
Event ID:      4001
Date:            5/17/2011
Time:            10:13:25 AM
User:            N/A
Computer:      EXCHSVR
Description:
A transient failure has occurred. The problem may resolve itself in awhile. The service will retry in 56 seconds. Diagnostic information:
Cannot open mailbox /o=ORGANIZATION /ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Configuration/cn=Servers/cn=EXCHSVR/cn=Microsoft System Attendant.
Microsoft.Exchange.Data.Storage.ConnectionFailedTransientException: Cannot open mailbox /o=ORGANIZATION/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Configuration/cn=Servers/cn=EXCHSVR/cn=Microsoft System Attendant.
AND:
Event Type:      Error
Event Source:      MSExchangeFBPublish
Event Category:      General
Event ID:      8213
Date:            5/17/2011
Time:            9:54:52 AM
User:            N/A
Computer:      EXCHSVR
Description:
The Microsoft Exchange System Attendant service failed to create session for virtual machine EXCHSVR. The error number is 0x80040111.

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
AND:
Event Type:      Warning
Event Source:      MSExchangeSA
Event Category:      OAL Generator
Event ID:      9399
Date:            5/17/2011
Time:            10:09:52 AM
User:            N/A
Computer:      EXCHSVR
Description:
OALGen is configured to generate version 4 offline address book (OAB) files for OAB '/o=ORGANIZATION/cn=addrlists/cn=oabs/cn=Default Offline Address List' and publish the version 4 files to public folders, but there is no public folder server available. OAB version 4 will be generated, but will not be published to a public folder at this time.  Please ensure that a public folder server with a replica of the OAB system folder is online and mounted, or disable publishing OAB version 4 to public folders.

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.

Event Type:      Error
Event Source:      MSExchangeSA
Event Category:      General
Event ID:      2035
Date:            5/17/2011
Time:            10:11:29 AM
User:            N/A
Computer:      EXCHSVR
Description:
The e-mail address description object in the Microsoft Exchange directory for the 'MS' address type on 'AMD64' machines is missing.
For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.

Thank you for your time
ASKER CERTIFIED SOLUTION
newgentechnologies

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