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I have a central location and 2 hub locations. &nbsp;All three are running ISA 2006 and using site-to-site VPN connection.<br />
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Can I replace the ISA 2006 server on one of the hubs with a Forefront server and still have it connect to the central location using the site-to-site VPN connector?<br />
<br />
Thanks
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I have a central location and 2 hub locations.  All three are running ISA 2006 and using site-to-site VPN connection.

Can I replace the ISA 2006 server on one of the hubs with a Forefront server and still have it connect to the central location using the site-to-site VPN connector?

Thanks

Can I put a Forefront server on an ISA network

Microsoft Forefront, formerly known as Internet Security and Acceleration Server (ISA Server), is a network router, firewall, antivirus program, VPN server and web cache that runs on Windows servers. It includes identity management and protection systems, and discontinued systems for threat management and network protection, along with protection for Sharepoint and Exchange. The scope of discussions includes forward and reverse proxy, application and service publishing, virtual private networks (VPNs), outbound access rules, SSL certificates and network routing within either a single node or an highly-available array pairing.