OS: Windows server 2016 Datacenter Evaluation Build 14393

I think this may due to a suddenly shutdown during booing after "add roles and features".

I have tried to delete registry key

 HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Component Based Servicing\Reboot Pending\


  1. I still cannot do anything on Server Manager, they still found I have pending reboot;

  2. After rebooting, this key shows again.

And I notice that there are a lots of pending packages (and they are not installed) under "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Component Based Servicing\PackagesPending"

So, how to get these pending packages installed? (or perform a revert?)




I'm not sure if these operations would cause any other problems (and if it safe to do so.), but at least I can install features now. And these are what I've done.

It's important to backup before doing these.

Basically, I'm cleaning CBS update pending records.

  1. Open regedit, find HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Component Based Servicing. You will see PackagesPending, right click it, open Permission. Click on Advanced, change owner to Administrator (or any other users you are using). Close Advanced Window. Give that user Full Control in Permission Window. And delete PackagesPending.

  2. Repeat 1. to Reboot Pending

  3. Open X:\Windows\WinSxS in explorer, you will see pending.xml. In its Properties, repeat 1. And delete pending.xml.

  4. Reboot and everything looks well now.

And, don't forget backup registry and files you deleted.

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