How to Add or Remove Change Password from the Vista Ctrl+Alt+Delete Screen
InformationThis will show you how to add or remove Change a Password from the list of options in the Ctrl+Alt+Delete Security Screen to allow or prevent all users on the computer from being able to change their password from the Ctrl+Alt+Delete security screen. Change a Password is added to this screen by default.
NoteAll users will still be able to change their passwords from within User Accounts in the Control Panel. For more on this, see: How to Remove or Change a Password for a User Account in Vista
EXAMPLE: The Ctrl+Alt+Delete Security Screen with Change a PasswordNOTE: You enter the Security Screen by pressing the Ctrl+Alt+Delete keys together from within Vista.
OPTION ONE 
NOTE: This option is only available for the Vista Business, Ultimate, and Enterprise editions. See OPTION TWO or OPTION THREE below for the Vista Home Basic and Home Premium editions.[/note]
1. Open the all users, specific users or groups, or all users except administrators Local Group Policy Editor for how you want this policy applied.
2. In the left pane, click on User Configuration, Administrative Templates, System, Ctrl+Alt+Del Options. (See screenshot below)
3. In the right pane, right click on Remove Change Password and click on Properties. (See screenshot above)
4. To Add Change a Password
A) Select (dot) Disabled or Not Configured, then click on OK. (See screenshot below step 5A)
B) Go to step 6.
5. To Remove Change a Password
A) Select (dot) Enabled and click on OK. (See screenshot below)
6. Close the Local Group Policy Editor window. Your done.
OPTION TWO NOTE: This option will work for all Vista editions.
1. To Add Change a Password
A) Click on the Download button below to download the file below.
Add_Change_Password.reg
3. Click on Save, and save the .reg file to the Desktop.
4. Right click on the downloaded .reg file and click on Merge.
5. Click on Run, Continue (UAC), Yes, and then OK when prompted.
6. When done, you can delete the downloaded .reg file if you like.
OPTION THREE NOTE: This option will work for all Vista editions.
1. Open the Start Menu.
2. In the white line (Start Search) area, type regedit and press Enter.
3. Click on the Continue button in the UAC prompt.
4. In regedit, go to: (See screenshot below)
NOTE: If you do not have System, then right click on Polices and click on New and Key, then type System and press Enter.
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System
5. To Remove Change a Password
A) In the right pane, right click on a empty area and click on New and DWORD (32-bit) Value. (See screenshot above)
B) Type DisableChangePassword and press Enter.
C) Right click on DisableChangePassword and click on Modify.
D) Type 1 and click on OK. (See screenshot below)
E) You registry should now look like this. (See screenshot below)
F) Go to step 7.
6. To Add Change a Password
A) In the right pane, right click on DisableChangePassword and click on Delete. (See screenshot above)
B) Click on Yes to confirm deletion.
7. Close regedit.
That's it,Shawn
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