Select “Define this policy setting” checkbox and click “Enabled.įigure 2: Configuring policy to not store LAN Manager hash value policy 3.
In the right pane, double-click “Network security: Do not store LAN Manager hash value on next password change” policy.
In Group Policy Management Editor window (opened for a custom GPO), go to “Computer Configuration” “Windows Settings” “Security Settings” “Local Policies” “Security Options”.
Therefore, you should prevent Windows from storing an LM hash of your passwords. The LM hash is weak and prone to hacking. It stores them in the local Security Accounts Manager (SAM) database or Active Directory. Windows generates and stores user account passwords in “hashes.” Windows generates both a LAN Manager hash (LM hash) and a Windows NT hash (NT hash) of passwords. Prevent Windows from Storing LAN Manager Hash
Select “Enabled” from the three options.įigure 1: Configuring Control panel settings through GPO 2.
In the right pane, double-click “Prohibit access to Control Panel and PC settings” policy in to open its properties.
In Group Policy Management Editor (opened for a user-created GPO), navigate to “User Configuration” “Administrative Templates” “Control Panel”.
So, by moderating who has access to the computer, you can keep data and other resources safe. Through Control Panel, you can control all aspects of your computer. Setting limits on a computers’ Control Panel creates a safer business environment. In this article, you will learn why these Group Policy settings simply cannot be ignored.
Set Maximum Password Age to Lower Limits.
Set Minimum Password Length to Higher Limits.
Disallow Removable Media Drives, DVDs, CDs, and Floppy Drives.
Prevent Windows from Storing LAN Manager Hash.
Here is the list of top 10 Group Policy Settings: You can find this setting under Computer Configuration\Administrative Templates\System\Group Policy.Important Group Policy Settings to Prevent Breaches Domain administrators can disable processing Local Group Policy objects on clients running Windows Vista by enabling the "Turn off Local Group Policy objects processing" policy setting in a domain Group Policy object. Therefore, policy settings originating from domain Group Policy overwrite any conflicting policy settings found in any Local Group Policy to include administrative, non-administrative, and user specific Local Group Policy. Windows Vista continues to use the "Last Writer Wins" method for conflict resolution. Domain-based computers apply Local Group Policy first and then domain-based policy. Stand-alone computers benefit the most from Multiple Local Group Policy objects, wherein managing each computer is local. Value Data: (0 = default, 1 = disable group policy)
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