troubleshooting Question

Unable to Map Drives Over Site-To-Site VPN (ISA 2006)

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gateguard asked on
VPNMicrosoft Forefront ISA Server
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ISA 2006 at both ends.  Windows 2003 domain at the Central Site.

The Remote Site is connected (PPTP) and can access the mail server using Outlook and can ping and Remote Desktop to any computer in the domain, in the Central Site, and can be pinged, and can be remote-desktop'd into from the Central Site.

But the Workstation at the Remote Site is unable to map to any shares published on computers in the Central Site and is unable to browse any of those computers in Network Neighborhood.

The problem is definitely in the site-to-site connector because if I take the remote computer off the local site-to-site network at the remote end, and just put it out on the internet and do a standard vpn-dialup-type (connect to corporate network) connection to the Central Site, everything works fine, including mapping to shares in the Central Site.

I've been over and over and over the site-to-site connection (and, in fact have a 2nd site-to-site connection to the same Central Site that is working fine).  But I can't find anything wrong.

Any help would be greatly appreciated.
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