Exchange 2013 – Web Management Service doesn’t start

With Exchange 2013, you can have an issue where the service “Web Management Service” can not be started. Without it, you can’t install any Cumulative Update and some Exchange functionality are no more available.

Service not started

If you try to install a new CU, you get this error:

The following error was generated when "$error.Clear();
if (Get-Service WMSVC* | ?{$_.Name -eq 'WMSVC'})
{ Set-Service WMSVC -StartupType Automatic
Start-SetupService -ServiceName WMSVC
" was run: "Service 'WMSVC' failed to reach status 'Running' on this server."

When you look into the Service mmc and try to start manually the service, you get the error code -2147483640 :

Web Management Service Error

Web Management Service Error

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