Is it possible to manually set a user's PC to login to Active Directory on a specific AD server?

One of our users is having a hard time logging into Outlook and it's because she's logging into her PC and authenticating though a particular AD server which is a VM that's running very slow because of SAN issues.  I would like for her to log into one of our physical AD servers which is not connected to the SAN.  Is is possible to tell her computer which AD server to log into?

AD - Windows 2003
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Will SzymkowskiSenior Solution ArchitectCommented:
This cannot be done from within an AD Site. All authentication for DC's is based on SIte placement/IP subnet. If you have mutliple DC's in the same site they will "round robin" balance the load each time authentication is required. From a site level you can create a new Site and IP/Subnet and associate 1 DC to this site and then have that user get an IP address from the new SIte you created. Aside from that there is no way to do this. I beleve back in the NT days you could do some sort of reg hack but then you might just get into more trouble with AD.

Probably not the answer you are looking for but hope this helps!

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Paul MacDonaldDirector, Information SystemsCommented:
I can't think of any way other than increasing the weight of one DC in DNS.  Even that won't guarantee anything.

I'd like to take the opportunity to say whatever it is you're doing with that DC/SAN is probably a bad idea.
johnm2595Author Commented:
I agree it's a bad idea.  We have 3 physical AD servers that are not attached to the SAN.  They thought it was a "brilliant" idea to also have a AD server on a VM.

I'll make the suggestion to my superiors that they migrate the roles to the physical AD servers and shut the VM AD off.  But they probably won't go for it.

Thanks for the quick response.
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Windows Server 2003

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