FIX: Intermittent 9004 error when a backup is restored via Standby Mode in SQL Server 2014, 2016, and 2017

Applies to: SQL Server 2014 EnterpriseSQL Server 2014 Enterprise CoreSQL Server 2014 Developer


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:

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


This issue is fixed in following cumulative updates:


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.