Sharepoint UNC auto authentication with Windows Server 2008

Our company has set up a Windows 2008 Terminal Services server to use for SAS. Domain users are given Remote Desktop privileges to log into the server and do their SAS work. I have run into multiple issues getting Sharepoint authentication to work for these users.

I have installed the Web Client service on Server 2008.

The only way that I have gotten it to work is by mapping a drive or network place as a user with sufficient sharepoint permissions, but instead of automatically taking the domain login information that was given while initially logging into the server, it prompts for credentials.

After the credentials are entered, the network drive is mapped and everything seems okay, until the user logs off. When they log back in, they receive an error that the network drive cannot be mapped due to lack of authentication. However, it doesn't give them an option to reenter credentials. Therefore, the user has to disconnect the drive and then try to re-map it. However, when the credential prompt appears again, it will not accept it this time and continously re-prompts forever without any errors.

Basically, If someone could help me figure out sharepoint auto-authentication with Server 2008, I would be extremely grateful. This issue is not present with Workstation OSes, only with the server.
rrawson1Asked:
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lamaslanyCommented:
To confirm:  is the URL of the SharePoint site in the Local Intranet security zone in Internet Explorer?
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rrawson1Author Commented:
Yes, when internet explorer is used, it auto-authenticates with no problem. Only when the document libraries are navigated by UNC is this a problem.

Example, if I go into internet explorer and type in: sharepoint.company.com it automatically uses the domain credentials that I logged into the server with

But, if I go to the same location via UNC path: \\sharepoint.company.com\ it asks for credentials even though the domain account I logged in as has sufficient permissions
If I go to the same location on a Windows workstation OS, like Windows XP or Windows 7, it doesn’t prompt me. It only gives me issues on the Server.
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FFNetAdminsCommented:
Are you using a network load balancer?
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rrawson1Author Commented:
No, the server does not have network loading balancing set up on it
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lamaslanyCommented:
Which protocol are you using for your site?  HTTP or HTTPS?
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rrawson1Author Commented:
HTTP
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lamaslanyCommented:
How have you added the site entry in the Local Intranet zone?
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rrawson1Author Commented:
the entries are:
http://sharepoint.company.com 
file://sharepoint.company.com (just added this a couple minutes ago for the first time, but it didn't help)

We also have a group policy that puts *.company.com in everyone's local intranet zone
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rrawson1Author Commented:
No other comments? I'd award more points for a resolution if it would let me =(
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rrawson1Author Commented:
This issue somehow resolved itself.
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