FIX: Canceling a backup task crashes SQL Server 2014 or 2016

Symptoms

When you cancel a backup task in Microsoft SQL Server 2014 or 2016, the server may crash. Additionally, you receive error messages that resemble the following in the SQL Server error log:
Error: 18210, Severity: 16, State: 1.
BackupIoRequest::ReportIoError: write failure on backup device file_path. Operating system error 64 (The specified network name is no longer available.).

Error: 3041, Severity: 16, State: 1.
BACKUP failed to complete the command BACKUP DATABASE database_name. Check the backup application log for detailed messages.

Error: 3634, Severity: 16, State: 2.
The operating system returned the error '64 (The specified network name is no longer available.)' while attempting 'DiskChangeFileSize' on file_path.

The operating system returned the error '64 (The specified network name is no longer available.)' while attempting 'DiskChangeFileSize' on file_path.

Resolution

This problem was first fixed in the following cumulative update for SQL Server:


About cumulative updates for SQL Server
About 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.

References

Learn about the terminology Microsoft uses to describe software updates.
Properties

Article ID: 3146404 - Last Review: Jul 26, 2016 - Revision: 1

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