Consider the following scenario:

  • You have Microsoft SQL Server log shipping or Backup/Restore set up between two servers.

  • The database may be idle or have small VLFs (but this is not necessary).

  • You make backups of this database, and then you try to restore by using the standby option on the secondary database.

In this scenario, the restore operation may fail and return the following error message:

Error: 9004, Severity: 21, State: 1.

An error occurred while processing the log for database database_name. If possible, restore from backup. If a backup is not available, it might be necessary to rebuild the log.

After this error occurs, the secondary database goes into restoring state.


This issue is fixed in following cumulative updates:

Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server:

Latest cumulative update for SQL Server 2017

Latest cumulative update for SQL Server 2016

Latest cumulative update for SQL Server 2014


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.


Learn about the terminology Microsoft uses to describe software updates.

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