Symptoms

In Microsoft Skype for Business Server 2019 or Skype for Business Server 2015, when you try to install new databases by using the Topology Builder or by running the Install-CsDatabase cmdlet, you receive the following error message:

InstallDatabaseInternalFailure: An internal error has occurred while trying to create or update the database.

Error: Error executing batch.

Details: Error creating procedure DbpMaintainDatabaseIndices: sql error code = 137, error message = Must declare the scalar variable "@Maxdop"., line number = LineNumber sql error code = 137, error message = Must declare the scalar variable "@Maxdop"., line number = LineNumber sql error code = 137, error message = Must declare the scalar variable "@Maxdop"., line number = LineNumber sql error code = 137, error message = Must declare the scalar variable "@Maxdop"., line number = LineNumber

Resolution

To fix this issue, install one of the following updates:

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