Adding users to local security groups using Group Policy

Anonymous — Thu, 03 Feb 2011 06:00:00 GMT

You may find that you need to add users to one or more local groups, such as Power Users or Administrators, on their computer. While you can do this fairly easily on a case by case basis, it's a lot more difficult to do in a large distributed environment. This can be accomplished much easier using the Restricted Groups GPO setting in Group Policy.

The Restricted Group setting allows you to configure membership in groups within Active Directory or in the local security accounts manager (SAM) of domain-joined computers.

In this example, we will add all domain users to the local computers' Power Users group for all computers in the domain.

Open the Group Policy Management Console
Edit the Default Domain Policy
Navigate to Computer Configuration > Policies > Windows Settings > Security Settings > Restricted Groups
Right-click Restricted Groups and select Add Group...
The trick to adding a local group is to just type in the group name. Do not browse to find the Power Users group, because this will resolve to the domain's Power Users group. Type Power Users, as shown below, and click OK.

Another window will pop-up to let you configure the properties of the Power Users Restricted Group. For Members of this group, click Add.
Click the Browse button and browse for the group in Active Directory that you want to add to the local Power Users group. In this example, use Domain Users and click OK, as shown below.

Close the GPO Editor and the Group Policy Management Console

Wait a sufficient amount of time to allow the GPO to replicate throughout all the domain controllers in the domain, then restart the computers where the policy applies. This is required because the GPO affects the Computer Policy which applies when the computer starts up.

When the policy is processed, the computer will attempt to resolve the Power Users name that you typed to a local group first, then a domain group if no local match is found.

You can do the same process above for any other OU to scope the GPO to a specific set of computers. If you want to add users to the local Administrators group, simply type that name instead of Power Users.

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Adding users to local security groups using Group Policy