Problem accessing MICROSOFT##SSEE database (Error: 18456, Severity: 14, State: 16.)

Posted by Philipp Schmid on Server Fault See other posts from Server Fault or by Philipp Schmid
Published on 2010-05-05T13:12:23Z Indexed on 2010/05/05 13:18 UTC
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After an unexpected server shutdown due to a power failure, I can no longer connect to the internal windows database MICROSOFT##SSEE which is hosting Central Admin for my SBS 2008 server.

The log shows:

  Error: 18456, Severity: 14, State: 16.
  Login failed for user 'NT AUTHORITY\NETWORK SERVICE'. [CLIENT: <named pipe>]

I've tried to connect using the SQL Management studio (connecting to .pipemssql$microsoft##sseesqlquery) but no luck.

The SQL Server Configuration Manager doesn't show a entry for 'Protocols for MICROSOFT##SSEE' (but shows it for 2 other database hosted on the same SQL server 2005 Express edition.

I have tried to restore the master.ldf and mastlog.log files from a backup, but the issue persists.

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