How do I add a domain group to the local administrators group on Server Core?

I setup a new 2008 core server as a print server. Users are getting the error "Unable to connect, access denied" in the status of the printers when they connect to the printers, though the connection is successful and they are able to print. I have found that adding the user to the local administrators group on the server makes this issue go away. However, I cannot find a command to add a group of users to the local administrators group, I can only add one user at a time.  Is adding the group of users to the local administrators group the correct fix for this issue, and if so, what command can I use to accomplish that?
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pbottjenConnect With a Mentor Author Commented:
Thank you for your replies. The problem has been resolved. Since I could not find a command that added a domain group to the local administrators group, I used a command to add my domain user to the local administrators group. Then I used computer management on another member server and connected to the core server.  Since I added myself to the local admin group, the Local Users and Groups option appeared in the Computer Management window for the core server, so I was able to add the domain group that I wanted. I didnt want to use Group Policy as that starts to get more complicated than it needed to be, and no I have not installed R2.
Mike KlineCommented:
You can use restricted groups to add a group to the local admin

You shouldn't have to, but I've never run into this specific issue.  I'll let you know if I find anything on it.


Is this Server 2008 R2?
If so, here's a link describing how to manage a server core installation:

You didn't mention if this server part of a domain. Is that ture?

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