Dear all, We have windows 2008 server Ent 64Bit Sp1 . it has ADS,DNS GOP. it is working fine . i added additional two domain controller in remote site . i have a problem about time . 4 minutes late my domain controller time . so i have to deiced to change my domain controller time . Any important issue there like 1. Is there any important issue for before change the tome ? 2. can i change time format for all domain controller ? Regards Subash

Domain Controllers and Kerberos are "time-sensitive", so it's important that all servers and clients are correctly in sync. However, I would ask this question in the Directory Services Forum: http://social.technet.microsoft.com/Forums/en/winserverDS/threads