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Microsoft ISA server to Cisco 3060 VPN concentrator

We have a client who was working just fine until they decided to install an ISA server. I have had them open GRE 47, ESP 50, UDP 500 & UDP 10000 as well as UDP port 4500 for NAT-T. Maybe I do not have something set up properly on our concentrator, but we have had VPN set up for a while. Is there a specific configuration setup this person needs to do on this ISA server? I would appreciate any help.

Thanks

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New Member

Re: Microsoft ISA server to Cisco 3060 VPN concentrator

Are they trying to connect to your 3060 from behind the ISA server? If so, have you had them try to use the UDP tunnelling option in their VPN client? I have had good luck with that from behind an ISA server.

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