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Unable to change SQL authentication to mixed mode with Cisco CallManager 4.x

Core Issue

A change to Structured Query Language (SQL) mixed mode authentication is not supported with Cisco CallManager 4.x.

Resolution

Microsoft Windows NT authentication is recommended, although the system supports SQL authentication. Mixed mode authentication is not supported in Cisco CallManager release 4.0. Upgrades fail and the system must be changed back to Windows authentication.

In SQL, there are only two configuration options available:

  • Windows authentication

  • SQL and Windows, known as mixed mode

This makes Windows the only option supported. A change from Windows to mixed mode can warrant some issues. This change requires a restart of the SQL Server service on the server where the change is made. For more information, contact the account team.

This issue is addressed in these documents:

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