System time not updating


06-Nov-2019 18:35

Like most MSPs we've been doing a lot of virtualization in the past couple years.

We kept bumping up against a simple problem that resulted in frustration and wasted time, where the new Windows Domain controller (usually a Windows 2012 server), running as a VM guest, would insist that the time was something other than the correct time.

W32is the preferred command line tool for configuring, monitoring, or troubleshooting the Windows Time service. To use this tool, you will have to open an elevated command prompt, type W32tm /?

and hit Enter to get the list of all its parameters.

The following command will tell us what the time service is up to as far as where the machine is getting its time from: w32tm /query /source On any other DCs the following needs to be run: w32tm /config /syncfromflags:domhier /reliable:no; w32tm /config /update; net stop w32time; net start w32time; w32tm /resync /rediscover On any member servers: w32tm /config /syncfromflags:domhier; w32tm /config /update; net stop w32time; net start w32time; w32tm /resync /rediscover Pasted from Tech Amature, I have same windows platform with you. during the 1 month, daylight savings time forwarded the clock an hour ahead.

Domain controller server time is not telly(1 hour back) with current time. I changed it manually in date and time settings,but it only a temporary solution.

When w32tm /resync is run, it tells the computer to synchronize its clock right away.

So that means *don't* set VMware Tools to sync time for the guest.

It was usually off by roughly our UTC offset, and after much googling and frustration, we settled on a standard of practice that is simple, replicable, and apparently not well documented.



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