WSUS on Windows 2012 (R2) and KB3159706 - WSUS console fails to connect
As any other environment, my lab needs some maintenance from time to time. I use a Windows 2012 R2 VM with the Windows Server Update Service (WSUS) role to keep my Windows VMs up to date. Like many others, I was surprised by KB3148812 (Update enables ESD decryption provision in WSUS in Windows Server 2012 and Windows Server 2012 R2), which broke my WSUS. But the fix was easy: Uninstall KB3148812 and reboot the server. The WSUS product team published an artice about this known issue in their blog: Known Issues with KB3148812. In the meantime, Microsoft has published a new update, which supersedes KB3148812: KB3159706.