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Upgrade from SEP 12.1 to SEP 12.2 impossible: keeps asking for reboot

Created: 22 Dec 2012 | 3 comments
Wouter Pinkhof's picture

I am trying tu upgrade from SEP 12.1 to SEP 12.2 on a Windows SBS 2011 server. The installer keeps nagging me with the following remark:

"Symantec Endpoint Protection Manager has detected that there are pending system changes that require a reboot." and then asks me to reboot the machine. The messages comes back, even after reboots.

I read there are a number of solutions to similar problems when doing upgrades to 12.1. Can someone please tell me how to correctly handle this in my scenario with the never version?

Kind regards,

Wouter Pinkhof

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pete_4u2002's picture

let know if it helps

  1. In the registry, navigate to:

2. Back up the registry key.

3. Delete the PendingFileRenameOperations registry value from the right pane.

4. Install the software without restarting the computer first (Restarting the computer may result in the registry key being placed back in the registry before installation.)

5. Restore the registry key from the backup location.

Note: If you do not find the PendingFileRenameOperations registry value in the location above, this error message can be generated if the PendingFileRenameOperations registry value exists in the following location(s):

Chetan Savade's picture


Also check following key, if any sub key is present under reboot requied then you can delete that as well

HKLM/SW/microsoft/winows/current version/windows update/Autoupdate/Rebbot required

Note: Please take a regsitry backup prior to make any changes into it.

Chetan Savade
Sr.Technical Support Engineer, Endpoint Security
Enterprise Technical Support

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Ajit Jha's picture

1. Look at the registry value to see what applications are pending.

2. In the registry, navigate to:


3. Locate all entries with a status of "Pending."

4. Rename the value of that entry, placing a "2" on the end of PendingFileRenameOperations.

5. Restart the computer.


Ajit Jha

Technical Consultant