MSSQLSERVER_9001

Details

Product Name SQL Server
Event ID 9001
Event Source MSSQLSERVER
Component SQLEngine
Symbolic Name LOG_NOT_AVAIL
Message Text The log for database '%.*ls' is not available. Check the event log for related error messages. Resolve any errors and restart the database.

Explanation

The database log was taken offline. Usually this signifies a catastrophic failure that requires the database to restart.

User Action

Diagnose other errors and restart the instance of SQL Server if it has not already restarted itself.