Windows7 client can not change a domain user's password

Q: Is there a Windows7 client can not change a domain user's password, the system prompts as follows: Windowssecurity: After "unabletoupdatethepassword, thavalueprovidedforthenewpasswordcontainsvaluesthatarenotallowedinpassWord"

examination revealed the password does meet complexity Requirements, and the same password can be changed under XP system. There are several Win7 LAN computers have this situation, you can modify in OWA, but can not be modified with Alt + Ctrl + Del way to solve

! 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 machine in question forced synchronization group policy: gpupdate /force

then restart the computer, the synchronization is complete Group Policy can modify domain user's password.