SQL Server 2005 stops and then restarts unexpectedly. When you examine the SQL Server 2005 error log file, you find that errors have occurred in the tempdb database. The error messages resemble the following:
DateTimeSPID Error: 602, Severity: 21, State: 30.
DateTimeSPID Could not find an entry for table or index with partition ID 491897996509184 in database 2. This error can occur if a stored procedure references a dropped table, or metadata is corrupted. Drop and re-create the stored procedure, or execute DBCC CHECKDB.
DateTimeSPID Error: 9001, Severity: 21, State: 5.
DateTimeSPID The log for database 'msdb' is not available. Check the event log for related error messages. Resolve any errors and restart the database.
DateTimeSPID Error: 3449, Severity: 21, State: 1.
DateTimeSPID SQL Server must shut down in order to recover a database (database ID 1). The database is either a user database that could not be shut down or a system database. Restart SQL Server. If the database fails to recover after another startup, repair or restore the database.