Windows Update 80070003 error, если Server 2012 R2 не хочет обновляться

net stop wuauserv

DISM /Online /Cleanup-Image /RestoreHealth

If there is an error ” The source files could not be downloaded”:

gpedit.msc

Computer Configuration > Administrative Templates > System

Specify settings for optional component installation and component repair setting

Contact Windows Update directly to download repair content instead of Windows Server Update Service (WSUS).

or

DISM /Online /Cleanup-Image /RestoreHealth /source:WIM:X:\Sources\Install.wim:1 /LimitAccess Where “X” is the drive letter where the ISO is located. Simply change the “X” to the correct drive letter

 

sfc /scannow

shutdown /r /f

 

http://www.thewindowsclub.com/dism-fails-source-files-could-not-be-found

https://support.microsoft.com/ru-ru/help/947821/fix-windows-update-errors-by-using-the-dism-or-system-update-readiness