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Changing the default SQL port 1433 to 59771, SMSQL connection issues with SQL DB

Last Updated:

Applies to

  • SnapManager for Microsoft SQL (SMSQL)
  • Microsoft SQL Server (SQL) Availability Group
  • Microsoft SQL Server Configuration Manager x32 bit (SQL SCM)


  • Changing the default SQL port 1433 to 59771, SMSQL is no longer able to make connections to SQL DB
  • Error: Failed to connect to server. A network-related or instance-specific error occurred while establishing a connection to SQL Server.



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