Windows7 cannot change domain user password?

Q: One of the Windows 7 clients cannot change the password for the domain user, as prompted by the following: Windows security: "Unable to update the password, tha value provided for the new PASSW Ord contains values that are not allowed in password "

After checking that the password does meet complexity requirements, and that the same password is tested under XP system can be changed. The local area network has several win 7 computers all have this kind of situation, may modify in OWA, but may not use ALT + CTRL + DEL The way modifies, solves!

A: According to your description, it should be because the password policy on the client is not synchronized with the DC (domain controller). Execute the following command on the problematic machine to force synchronization of Group Policy: Gpupdate/force

Then reboot the computer and complete the Group Policy synchronization to modify the domain user's password.