Recipe 6.21 Requiring a User to Change Her Password at Next Logon

6.21.1 Problem

You want to require a user to change her password the next time she logs on to the domain.

6.21.2 Solution Using a graphical user interface
  1. Open the Active Directory Users and Computers snap-in.

  2. In the left pane, right-click on the domain and select Find.

  3. Select the appropriate domain beside In.

  4. Beside Name, type the name of the user you want to modify and click Find Now.

  5. In the Search Results, double-click on the user.

  6. Click the Account tab.

  7. Under Account options, check the box beside User must change password at next logon.

  8. Click OK. Using a command-line interface
> dsmod user "<UserDN>" -mustchpwd yes Using VBScript
' This code sets the flag that requires a user to change their password ' ------ SCRIPT CONFIGURATION ------ strUserDN = "<UserDN>"  ' e.g. cn=rallen,ou=Sales,dc=rallencorp,dc=com ' ------ END CONFIGURATION --------- set objUser = GetObject("LDAP://" & strUserDN) objUser.Put "pwdLastSet", 0 objUser.SetInfo WScript.Echo "User must change password at next logon: " & strUserDN

6.21.3 Discussion

When a user changes her password, a timestamp is written to the pwdLastSet attribute of the user object. When the user logs in to the domain, this timestamp is compared to the maximum password age that is defined by the Domain Security Policy to determine if the password has expired. To force a user to change her password at next logon, set the pwdLastSet attribute of the target user to and verify that the user's account doesn't have the never expire password option enabled.

To disable this option so that a user does not have to change her password, set pwdLastSet to -1. These two values (0 and -1) are the only ones that can be set on the pwdLastSet attribute.

Active Directory Cookbook
Active Directory Cookbook, 3rd Edition
ISBN: 0596521103
EAN: 2147483647
Year: 2006
Pages: 456

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