Corrupt EX07 Mailbox

User unable to logon to:
owa
activesync
outlook

When logging on to owa:
Url: https://xxx.xxx.com:443/owa/Default.aspx
User host address: xxxx
Exception
Exception type: Microsoft.Exchange.Data.Storage.ConnectionFailedTransientException
Exception message: Cannot open mailbox /o=xxx/ou=First Administrative Group/cn=Recipients/cn=xxxx.
Inner Exception
Exception type: Microsoft.Mapi.MapiExceptionLogonFailed
Call stack

Microsoft.Mapi.MapiExceptionHelper.ThrowIfError(String message, Int32 hresult, Int32 ec, DiagnosticContext diagCtx)

Logging into outlook 2002:
Unable to open your default email folders, you do not have permission to logon

Logging into outlook 2007:
won't accept his password

Checked ad to see if account is locked
moved mailbox to different database

NO joy....

Test-MAPIConnectivity:
Result: success Latency 8

Ran Health check using bpa, turned up nothing.



Event log:
Logon Failure on database "First Storage Group\Office" - Windows account NT AUTHORITY\SYSTEM; mailbox /o=xxx/ou=First Administrative Group/cn=Recipients/cn=xxxx.
Error: 1144
Client Machine: xxxx
Client Process: Microsoft.Exchange.Search.ExSearch.exe
Client ProcessId: 0
Client ApplicationId: Client=CI
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
Event Type:      Error
Event Source:      MSExchangeIS Mailbox Store
Event Category:      Logons
Event ID:      1022
Date:            10/24/2008
Time:            10:37:15 AM
User:            N/A
Computer:      VMEXCHANGE
Description:
Logon Failure on database "Third Storage Group\Shop" - Windows account NT AUTHORITY\SYSTEM; mailbox /o=xxx/ou=First Administrative Group/cn=Recipients/cn=xxx.
Error: 1292
Client Machine: xxxxx
Client Process: MsFTEFD.exe
Client ProcessId: 0
Client ApplicationId: Client=CI

Restarted exchange several times