Setting the time in Win7

Bob Greschke bob at
Mon Aug 22 21:42:28 CEST 2011

Several people have been hacking away on this computer we are testing 
on, so I'm not sure what settings -- other than all of them -- have 
been messed with, but popen("time ...") seems to work, but system("time 
...") does not.  I'm going to restore the machine to its original state 
and see what happens.


On 2011-08-22 11:41:45 -0600, Tim Golden <mail at> said:

> If memory serves, you need to enable a specific privilege to
> set the time in Vista+. Just a moment...
> Have a look here:
> and look for SeSystemtimePrivilege generally. Sorry; I'm
> a bit rushed at the moment. Feel free to post back if
> that isn't clear
> On 22/08/2011 17:35, Bob Greschke wrote:
>> Permissions!
>> We're running in an account as an administrator (the only account on the
>> laptops) and the program just calls system(time xxxx) and system(date
>> xxxx) after reading it from a connected GPS receiver. I've fiddled with
>> everything I could find in the registry and with the secpol.msc program
>> and there doesn't seem to be any reason that it can't set the time, but
>> it can't. Any ideas?
>> Thanks!
>> Bob

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