Cannot connect to WMI provider. You do not have permission or the server is unreachable

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Cannot connect to WMI provider. You do not have permission or the server is unreachable

Symptoms

On a 64-bit computer, you install an instance of the 32-bit (x86-based) version of Microsoft SQL Server. On the same computer, you install an instance of the 64-bit version of SQL Server 2008. If you then uninstall the 64-bit instance, you receive the following error message when you open SQL Server Configuration Manager:

HTML

Cannot connect to WMI provider. You do not have permission or the server is unreachable. Note that you can only manage SQL Server 2005 and later servers with SQL Server Configuration Manager.
Invalid namespace [0x8004100e]

Workaround


To work around this problem, open a command prompt, type the following command, and then press ENTER:
mofcomp “%programfiles(x86)%\Microsoft SQL Server\number\Shared\sqlmgmproviderxpsp2up.mof”Note For this command to succeed, the Sqlmgmproviderxpsp2up.mof file must be present in the %programfiles(x86)%\Microsoft SQL Server\number\Shared folder.

The value of number depends on the version of SQL Server:nnn

Microsoft SQL Server 2012110
Microsoft SQL Server 2008 R2100
Microsoft SQL Server 2008100
Microsoft SQL Server 200590

After you run the Mofcomp tool, restart the WMI service for the changes to take effect. The service name is Windows management Instrumentation.

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