Symptoms

Assume that you have restored a full backup and a differential backup of an in-memory online transaction processing (OLTP) database in Microsoft SQL Server 2014 on a new server. When you then try to back up the database, the operation fails, and you receive the following error message:

Msg 3013, Level 16, State 1
BACKUP DATABASE is terminating abnormally.
Msg 41391, Level 23, State 0
Backup of database <database name> detected a missing MEMORY_OPTIMIZED_DATA file with ID < file id>.

Resolution

When there is no possibility to regenerate the faulty backups, you can consider opening a support case with us. Visit Microsoft Support to see the various support options that are available to better meet your needs.

The issue was first fixed in the following cumulative updates of SQL Server:

Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. We recommend that you download and install the latest cumulative updates for SQL Server:


Status

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

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