Forefront TMG (strange) behavior on Site-to-Site VPN

Hi,

I'm having a weird problem on my Forefront TMG firewall. When I activate my Site-to-Site VPN from the office (178.xxx.x59.130) to the External Interface (178.xxx.x56.4) of my Forefront TMG machine I cannot access the external interface anymore. We work with Outlook Anywhere and thats bound to the external interface of the TMG. I can ping and access the internal devices behind the Forefront TMG server but when I try to access the IP on the external interface it doesn't respond. When I disable the Network "Site-to-Site Branch VPN" the connection is restored.

Am I doing something wrong with routing or is this by design?

Regards,

Kasper
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xissAsked:
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Keith AlabasterEnterprise ArchitectCommented:
It would only be by design if the Anywhere service is on the ip address range that you have associated with the VPN.
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infoplateformCommented:
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