Unable to install WSUS certificate

Symptoms

During the installation certificate to WSUS you are getting the following error:

    [Reflection.Assembly]::LoadWithPartialName("Microsoft.UpdateServices.Administration")
    $updateServer = [Microsoft.UpdateServices.Administration.AdminProxy]::GetUpdateServer()
    $config = $updateServer.GetConfiguration()
    PS C:\Windows\system32> $updateServer.GetConfiguration()
    Exception calling "GetConfiguration" with "0" argument(s): "Index was outside the bounds of the array."
    At line:1 char:1
    + $updateServer.GetConfiguration()
    + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
        + CategoryInfo          : NotSpecified: (:) [], MethodInvocationException
        + FullyQualifiedErrorId : IndexOutOfRangeException

Cause

Installation of KB3159706 breaks WSUS instance for SCCM

Resolution

Open an elevated Command Prompt window, and then run

C:\Program Files\Update Services\Tools\wsusutil.exe postinstall /servicing.

Select HTTP Activation under .NET Framework 4.5 Features in the Server Manager Add Roles and Features wizard.

Restart the WSUS service.

Reboot Server.