Search isn't returning results.
You get these errors in the application events:
Retry of query machine "" has failed with error: The system cannot find the file specified. 0x80070002. It will be retried again in 900 seconds.
And this error in the search SSP in central admin:
The search application for SSP on server "" is not provisioned. Confirm that the Windows SharePoint Services Timer service and Windows SharePoint Services Administration service are running on the server.
The database has a lock on it because there was a SQL connection issue.
Restart these Windows services on the search server:
- Office sharepoint server search
- Windows sharepoint services search
- Windows sharepoint services timer
- Windows sharepoint services administration