Accessing a work PC's directory from home using Cisco VPN Client

Perhaps the title is a bit misleading.  I am the system administrator of a mid-sized company and wish to access my PC from home.  I am able to gain full access to our network server using Cisco VPN Client software through our Pix firewall.  I was trying to access the files on my PC (Windows XP SP2, built-in firewall off) through the VPN connection by typing \\mycomputername\C$ thinking that since I was connected to the domain via the VPN client and since I have full adminisitrative priviledges within the domain I should be able to contact the other PCs in the network as well.  Why can I not?  How would I go about doing so?  Note that I only want access to the directory, I do not want to use a VNC (i.e. RealVNC, PCAnywhere, etc...) to accomplish this.
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srejjaAsked:
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lrmooreCommented:
I do this all day, every day. The issue is Netbios name resolution and permissions on your work PC.
The VPN client does not actually log you into the domain, unless you launch the VPN BEFORE you login to the PC (option with the client - Options | Windows logon | Enable Start before logon)
Try a couple of things:
1) setup a LMHOSTS file with just the IP address/name of your work PC
2) If your home PC is in a workgroup, name the workgroup the same as the domain at work
3) set your work XP system:
 
Windows XP (at least PRO) defaults a setting in Local Security Settings to something very unhelpful.
If all this does not solve your problem, check Local Security Settings, Network access: Sharing and security model for local accounts.  This may be set to (default) Guest only - local users authenticate as Guest.  Change this to Classic: local users authenticate as themselves.

Start/run: gpedit.msc
   Local Computer Policy
     Computer Configuration
      +Windows Settings
         +Security Settings
           +Local Policies
             +Security Options
         
          Double-click on Network Access:Sharing and Security Model for local accounts--
                 --change to "Classic - local users authenticate as themselves"
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srejjaAuthor Commented:
Thanks for the quick response.  I just got in.
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