New
#1
Hi All I figured it out. I had disabled this via registry when I was disabling some privacy stuff. However, when I undid that change.
Shown here:
Windows Update - Defer Upgrades in Windows 10 - Windows 10 Forums
The dialog was still grayed out. The fix is to check for windows updates and this will re-enable the checkbox. Not sure why it waits until the next update. Doesn't make any sense to me.