When will GPO for Password Change intervall have effect?

Hello all,

we are about to enable a GPO (Microsoft AD 2003 Domain) for defining the password change intervall (3 Month).

The question is, if I enable the policy on the 1st of May, when will the users be asked to change their password?
Will the users be challenged to change the pw after the next log on on the 1st of march or will the periode of 3 month start from the point when the policy is enabled? Or (third option I see) will does the AD keep track of the last change interval and challenge the users when this date is back 3 month ( meaning that all users that did not change the pw for 3 month will be challenged on the next logon after the 1st of march?

Any help is welcome.


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The third option is the correct one. The password age is always kept, so every password that has been last changed more than three months ago will have to be changed as soon as the user will logon the next time, once the policy is in effect.

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