Issue with gpupdate, prompting to restart

In my Win2K8 Domain environment when executing gpupdate /force it gives this warning below along with asking to restart.  Hasn't happening before.  Start  happening few months ago and bugging me.  Also afraid some users can hit Y on restart.  Happening when executing command on any server in the environment.    
Please advice.

C:\>gpupdate /force
Updating Policy...

User Policy update has completed successfully.
Computer Policy update has completed successfully.

Certain User policies are enabled that can only run during logon.
Certain Computer policies are enabled that can only run during startup.

OK to Restart?. (Y/N)
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Joseph MoodyBlogger and wearer of all hats.Commented:
Why are you running a gupdate /force? Just running gpupdate will apply any modified gpo. Does running just gupdate prompt for a reboot?

Here is an explanation of the two commands:

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Nick RhodeIT DirectorCommented:
This just means it is applying stuff prior to login and in order for those settings to be adjusted the system needs to restart.  Basically the policies set but are technically inactive until one is done.
SandeshdubeySenior Server EngineerCommented:
There are ceratian policy which do not apply while you are login and you need to restart or relogin for setting to take effect this is by design.For example folder redirection policy is one example of the same,you can see this thread

You can also check the event log in application and system for ant errors and warning related to GPO.

Also verify the health of dc by dcdiag /q for any errors and warning and post the same.
Tiras25Author Commented:
Running just gupdate does NOT prompt for a reboot.  with /force prompt for restart and logoff on any of 100 servers in the Domain.
No corresponded event in the even log besides informational:
The Group Policy settings for the computer were processed successfully. New settings from 21 Group Policy objects were detected and applied., and
The Group Policy settings for the user were processed successfully. New settings from 17 Group Policy objects were detected and applied.
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