Symptoms

Assume that you use In-Memory online transaction processing (OLTP) in SQL Server 2017 on windows. When you try to backup a database that contains memory-optimized OLTP tables and one or more containers in the memory-optimized filegroup stored in Microsoft Azure Blob storage, you may notice that the backup operation may fail with an error message that resembles the following:

Error: 3633, Severity: 16, State: 1.

The operating system returned the error '2(The system cannot find the file specified.)' while attempting 'BackupDataFile::Open' on 'FilePath\FileName.hkckp' at 'fileprod.cpp'(988).

Additionally, an access violation may occur occasionally.

Resolution

This issue is fixed in the following cumulative update for SQL Server:

       Cumulative Update 2 for SQL Server 2017

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

Status

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

References

Learn about the terminologythat Microsoft uses to describe software updates.

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