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SSIS Method Not Found

Regis Baccaro ran into a rather lengthy error when trying to create an SSISDB catalog:

The error I got was :

Method not found: ‘Void Microsoft.SqlServer.Management.IntegrationServices.EnableSsisSupportAlwaysOnSqmHelper.Initialize()’. (Microsoft.SqlServer.IntegrationServices.UITasks)

Looking at the documentation for the namespaceMicrosoft.SqlServer.Management.IntegrationServices I quickly figured out that I would be able to create the SSIS Catalog manually using PowerShell.

But then I couldn’t locate the Microsoft.SqlServer.Management.IntegrationServices dll anywhere except from in the GAC so I had to load it a somewhat cumbersome way (with help from Remo). Below is the script I used for doing that.

It’s a strange error, but Regis does provide a workaround.