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Any recommendations or how to's on publishing Exchange 2007 OWA and RPC over HTTPs via ISA 2004 would be appreciated. <br />
<br />
I have configured the rule for ISA to do the FBA and Exchange 2007 set as basic auth, problem is now users are presented with ISA's 2003 OWA FBA page (but we paid for Exchange 2007 ..... dilema! )<br />
<br />
I then turned off FBA on the ISA and set no authentication.... and configured the Exchange 2007 server to do the FBA. Now I get a 2007 OWA page (wonderful!!)....but when I logon i get:<br />
<br />
Error Code 64: Host not available <br />
Background: The connection to the Web server was lost. <br />
<br />
Not Good!!<br />
<br />
Any help please!<br />
Jafar54
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Any recommendations or how to's on publishing Exchange 2007 OWA and RPC over HTTPs via ISA 2004 would be appreciated. 

I have configured the rule for ISA to do the FBA and Exchange 2007 set as basic auth, problem is now users are presented with ISA's 2003 OWA FBA page (but we paid for Exchange 2007 ..... dilema! )

I then turned off FBA on the ISA and set no authentication.... and configured the Exchange 2007 server to do the FBA. Now I get a 2007 OWA page (wonderful!!)....but when I logon i get:

Error Code 64: Host not available 
Background: The connection to the Web server was lost. 

Not Good!!

Any help please!
Jafar54

Recommendations on how to publish Exchange OWA and RPC/HTTPS via ISA 2004?

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.

Microsoft Forefront ISA Server

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.