publish exchange active sync behind TMG

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I have all my exchange roles all defined and setup on my network. I am now setting up Exchange Active sync to publish behind a TMG server in my DMZ. After I setup the rule to to publish behind and when i test the rule from inside of TMG it works just fine. Now my issue is this when i use the website it goes through and fails and this is the reason why.

Attempting to send the OPTIONS command to the server.
Testing of the OPTIONS command failed. For more information, see Additional Details.

Additional Details
A Web exception occurred because an HTTP 401 - Unauthorized response was received from ISA.

Ok what have i forgot? thanks for your help.


yes and that is how i did the first test. The second test was through the MS website.
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