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Windows 2W3 dcpromo in W2K Domain

By philldmc ·
I have a stand alone ISA Server running Windows 2003 Server and ISA 2000, named Proxy. This server is NOT a domain controller; it is acting as a stand alone server that is part of our domain. The domain controller is a Windows 2000 based system.

I want to set up a VPN and from what I?ve read in my setup it would be best to have run on the ISA server. I started the process of installing AD on the ISA machine. I ran the adpreps (Forest and Domain) to prepare the Windows 2000 server. All went fine.

However every time I try to dcpromo the 2003 server I get this error:

?The operation failed because:

The promotion failed because the name of local computer is the name of a predefined security identifier. Please rename the computer.

"The requested name already exists as a unique identifier."?

I went through the AD and DNS and removed anything relating to ?Proxy? name of the Windows 2003 machine. I removed the Proxy from the domain and I still get this error when trying to dcpromo.

All my clients are programmed to communicate with ?Proxy? to access the web. How to I promote ?Proxy? to a DC without having to change the name?

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by curlergirl In reply to Windows 2W3 dcpromo in W2 ...

I'm going to answer your question by making you start over from the beginning. Why are you promoting the Win2K3 machine to a DC in order to use it as a VPN server? You do not have to do this. You can use the Win2K3 machine as a VPN server without it's being a DC as long as it is a member server on the domain. As a matter of fact, it is probably better if your VPN server is NOT a DC, for security reasons. All you have to do is install RRAS on it and configure the RAS server properly.

Hope this helps!

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by philldmc In reply to

Thank you for your help

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by philldmc In reply to Windows 2W3 dcpromo in W2 ...

This question was closed by the author

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