Recently I was troubleshooting an environment where Windows 10 upgrades didn’t came in. I did check if hotfixes were installed, which was the situation indeed.
-I decided to remove the Upgrade checkbox, too put it on at later time. Then a new pop-up was displayed: Additionally, to service Windows 10 Version 1607 and later, you must install and configure KB3159706 using the guidance. Oops, I missed that one! Installed it a the WSUS/SUP and other Site server(s) and did have a look at additional steps too. This because of the following post on Microsoft TechNet: WSUS Breaks after KB3159706, released 5/5/2016
It mentions: Manual steps required to complete the installation of this update:
1. Install the hotfix and restart the WSUS/SUP server!
2. Open an elevated Command Prompt window, and run “C:Program FilesUpdate ServicesToolswsusutil.exe postinstall /servicing” (case sensitive)
3. Select HTTP Activation under .NET Framework 4.5 Features in the Server Manager Add Roles and Features wizard.
4. Restart the WSUS service.
I skipped steps mentioned on “If SSL is enabled on the WSUS server” at first try, but they seems to be needed too!
1.Open an elevated Command Prompt window, and assign ownership of the Web.Config file to the administrators group
-takeown …read more
Read more here:: Henk