ERROR: SQL Error: invalid class

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When you run the Report Configuration Wizard you receive the following error message: “Invalid class.”

1. Open the following folder for the SQL Server 2012: “C:ProgramFiles(x86)MicrosoftSQLServer110Shared
(Open the following folder for the SQL Server 2008: “C:Program Files (x86)Microsoft SQL Server100Shared” )

2. then run: mofcomp sqlmgmproviderxpsp2up.mof

3. This should give an output like this:

C:Windowssystem32>cd “C:Program Files (x86)Microsoft SQL Server110Shared”

C:Program Files (x86)Microsoft SQL Server120Shared>mofcomp sqlmgmproviderxpsp2up.mof
Microsoft (R) MOF Compiler Version 6.1.7600.16385
Copyright (c) Microsoft Corp. 1997-2006. All rights reserved.
Parsing MOF file: sqlmgmproviderxpsp2up.mof
MOF file has been successfully parsed
Storing data in the repository…

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