The server2008 password does not meet the password policy requirements. Check the minimum password length, password complexity, and password history requirements.

The problem caused by domain conventions is that password settings do not comply with the rules of the Policy Group. In this case, you need to set the response option in the domain policy to reduce the complexity of the password. (By default, the complexity must be at least 7 characters long and contain multiple letters and numbers)

Windows Server 2003 solutionYes:

Choose Start> program> Administrative Tools> Domain Security Policy> Account Policy> Password Policy

The password must meet the complexity requirements: From "enabled" to "disabled ";

Minimum Password Length: changed from "7 characters" to "0 characters"

To make the Policy Modification take effect, use the following methods:

1. Wait for the system to automatically refresh the Group Policy, about 5 minutes ~ 15 minutes
2. Restart the domain controller (if the user policy is modified, log out)
3. Use the gpupdate command
Only refresh the computer policy: gpupdate/Target: Computer
Only refresh User Policy: gpupdate/Target: User
Refresh both: gpupdate

Windows Server 2008The difference is that the administrator cannot modify the password policy from the Local Policy Group, but needs to modify it from the GPM (Group Policy Management) "Group Policy Manager". The steps are as follows:
 
In Windows Server 2008, open the GPM (Group Policy Management) method: Choose Start> administrator tools> group policy management) -> Run as Administrator/open (open as Administrator)
 
After GPM is enabled, expand the tree node in sequence:
 
Forest: [your domain name (your domain name)]-> domain-> [your domain name (your domain name)] -> group policy object (Group Policy object ). right-click the default Domain Policy (default domain policy) and select edit)
 
After the preceding operations, the Group Policy Management Editor (Group Policy Manager) dialog box is displayed. Expand the tree node: Computer Configuration> Windows Settings) -> Security Settings (Security Settings)->

Account Policy (allow policy)-> Password Policy (password policy) you can see the password policy settings, as long as the second to last: Password Must Meet Complexity requirments (password complexity) set the project to disable. other policies are set based on actual conditions.
 
Finally, select start-> Run and enter gpupdate to force update the Group Policy settings. Wait until the command line ends.

The server2008 password does not meet the password policy requirements. Check the minimum password length, password complexity, and password history requirements.