Hello All Engineers..

There is a known issue that happen when try to install WSUS hotfix KB2720211 OR KB2734608 that crash the snapin or to crash the sync of WSUS with Microsoft or Upstream.

Now i'll share with you the solution for the snapin crash and later will show you the issue of sync.

To FIX the snapin crash issue follow these in registry..

1. Open the Registry:
Key Path: [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MMC\SnapIns\ FX:{8b6499ed-0241-e032-6508-da4b1c879d7e}]

2. Copy below value to registry key “Type” and put the Value:
Microsoft.UpdateServices.UI.SnapIn.Common.SnapInManager, Microsoft.UpdateServices.UI.SnapIn, Version=3.1.6001.1, Culture=neutral, PublicKeyToken=31bf3856ad364e35
3. Restart Update services and then Open the WSUS console Successfully.

Thanks.. like and share