My server has PST timezone but is 8 mins off.This is causing phones to have 8 mins off time.How can I change server time?Pls let me know.
Log into OS Administration web page > Settings > NTP Servers. See if the server is synced up to a NTP server. If yes, you need to change the time on NTP server instead of CUCM.
If the server was NOT configured to sync with NTP, you may change the time by going to "Settings > Time".