Adding Domain User to local Administrators Group in XP. Active Directory under 2000 Server.

I am trying to add the domain account to the local administrators group on an XP machine, which is under a 2000 Server running Active Directory.

Basically, when a user logs in using his/her domain account he/she must be a local administrator, but not a Domain Administrator.

On the XP machine, I goto computer management -> Groups -> right-click Administrators -> Add to Group -> Add.

Then, I try adding "DOMAIN\user", and I get "The object named "DOMAIN\user" is not from a domain listed in the Select Location dialog box, and is therefore not valid."

Basically, it cannot see the Domain, even though I have joined the domain, and am able to login to the domain.

I can login as Domain Administor, local Administrator, or Domain User, and in no case can I get this to work.  I have also searched google, and found that DNS can cause this.  I have verified that the Netbios name of the 2000 server resolves.  The Netbios name for the XP machine was also already created in Active Directory after joining the domain.

What is wrong?  BTW this is XP Professional.
shaggy112Asked:
Who is Participating?
 
garyyConnect With a Mentor Commented:
Can you check your Administrators group. Is there any funny S-1-5 type numbers in here. If so, then your machine didn't join the domain properly. I suggest you check your DNS settings and rejoin the domain

Check DNS is work by doing the following:
From the XP machine
Go to a command prompt (start run cmd and enter)
type nslookup and enter
You should get something similar to this:
Default Server:  domain.microsoft.com
Address:  192.168.0.1
>
now type in the domain computername
>  microsoftserver
This should resolve the dns for the domain name.

If you can do this, you should be able to add accounts to the domain.
If you can't, then you may well have some dns settings configured incorrectly.

Hope this helps
Thanks
Gary

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Debsyl99Commented:
Hi

Make sure that your dns server is pointing to itself as preferred dns server in tcp/ip and make sure that your client is also pointing to the servers IP as preferred dns server - see if that helps at all,

Deb :))
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shaggy112Author Commented:
It is, but thanks for the suggestion!
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Debsyl99Commented:
Hi

You can also check that the internet connection firewall isn't enabled on the XP client if you haven't already done so - Uncheck it in the advanced tab on tcp/ip properties on the XP's lan connection. Also when you start nslookup if it doesn't find the server name for your dc, make sure you have a reverse lookup zone configured in dns on the server containing a pointer record for your server.

I have to concur with Gary though - sounds like it's not correctly joined to the domain,

Deb :))

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shaggy112Author Commented:
Thanks for the reply's.

I actually can forward and reverse lookup the name of the domain controller from the clients.

I am however getting the strange "S-1-5....".

Is this absolutely a dns issue, or could I be missing something else?

Thanks.
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garyyCommented:
If you are getting the "S-1-5..." then you do definately need to re-join the domain.

Thanks
Gary
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Debsyl99Commented:
Hi
Does this PC think that it's part of the domain? - As Gary has said - Disjoin it, make sure internet connection firewall is definitely disabled, and then rejoin it. The "S-1-5" that you're getting is an unresolvable sid for a user account - All domain accounts have a unique sid (security identifier) - and these then resolve to an actual domain user name like Administrator, Joe Bloggs etc. When they can't be resolved you just get the "S-1-5..." sid account number which basically means that you are not joined to this domain, well at least not properly. How did you join the domain in the first place?

Deb :))
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shaggy112Author Commented:
I joined the domain by.....

System -> Computer Name
Named the computer
Put in the domain
-> Change.

Then restarted.
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JonIU17Commented:
Control Panel, User Accounts, Add.  Type the usename, domain, and select other - Administrators.  That should do it.
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