[ODBC Error]

  • When backup job runs we are receiving the below error and database connection closes.

    [Microsoft][ODBC SQL Server Driver]Communication Link Failure

  • Literally nothing to go on.

    Where are you running backup commands from?

    Look there to see what the connection settings are, etc. If necessary, fire up an Extended Events session and watch connections come in and queries start executing. That could give you the info you need to troubleshoot the problem.

    The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood...
    Theodore Roosevelt

    The Scary DBA
    Author of: SQL Server 2017 Query Performance Tuning, 5th Edition and SQL Server Execution Plans, 3rd Edition
    Product Evangelist for Red Gate Software

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