Thursday 14 May 2020

Time sync reference client-server

Domain clients stopped syncing time with PDC

This morning, few users started reporting time miss-match between current time and laptop time/ member server time. 

try this command for syncing w32tm /config /syncfromflags:domhier /update executed from PDC, primary domain controller. Also make sure that the timeserver is fetching time from time.windows.com

To determine if a domain member is configured for domain time sync, examine the REG_SZ value at HKLM\System\CurrentControlSet\Services\W32Time\Parameters\Type. If it is set to "Nt5DS" then the computer is synchronizing time with the Active Directory time hierarchy.

Also, check from client machine via cmd prompt
net time \\’your domain name’

To check what was the last successful sync time
w32tm /query /status 

to see if there is time mismatch.

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