So, I work in a computer lab where we use Intel based iMacs so that we can provide both a Windows and Mac OS platform to our patrons. We are on a domain, and everyone is to log on with their domain account when using the facility. If the time of your system is more than 5 minutes off from the domain server time, you can't pass authentication.
Unfortunately, we ran into a problem recently where the Mac OS clock would not keep the correct time. I noticed this happened after the computers had been switched between Windows and Mac OS. After a little research, I found out that Windows stores the local time in the hardware clock, where Mac OS will store universal GMT time and adjust for your time zone.
A little further research, and some testing later, I found a solution that seems to have the situation under control. It involves editing the registry in Windows, so make sure to back up your registry beforehand in case there happens to be some unexpected problem.
What this will do is set Windows to use GMT time as well so that both systems can use the same hardware clock time.
- First open your Registry Editor by typing regedit into the Run... dialogue box.
- Next navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\TimeZoneInformation
- If there is already a key here namded RealTimeIsUniversal, set it to 1. Otherwise create it as a new DWORD Value, and set it to 1
The Point Blank Critic
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