To return your AD FS server to a functional state, you must restore it from a backup. There is no way to undo the database corruption. Because of an AD FS server issue that causes the WID AD FS database to become unusable after a restart, the AD FS service may fail to start.This issue occurs when the Windows Update servicing stack incorrectly skips installing the newer version of some critical drivers in the cumulative update and uninstalls the currently active drivers during maintenance After installing this update, some devices may fail to boot with INACCESSIBLE_BOOT_DEVICE.This may occur when the Windows Update servicing stack incorrectly skips installing the newer version of some critical drivers in the cumulative update and uninstalls the currently active drivers during maintenance. After installing this update, some USB devices and onboard devices, such as a built-in laptop camera, keyboard or mouse, may stop working.(A warning: That’s now de rigueur for all Windows updates.) Because of an issue that affects some versions of antivirus software, this fix applies only to computers on which the antivirus ISV updated the ALLOW REGKEY.

Windows Update History reports that KB4054517 failed to install because of error 0x80070643.

After watching customers twist in the wind for two weeks, Microsoft finally acknowledged these bugs: You may recall that last month’s cumulative update for Windows 10 Fall Creators Update (version 1709), KB 4074588, brought with it a torrent of bugs.

1709 failed to install