patelbg2001MemberJun 27, 2007 at 3:28 pm #126339
I’m currently looking at implementing Outlook Anywhere and Outlook Web
Access within my company as a part of our Exchange 2007 deployment.
I have setup two client access servers and NLB to a single IP Address
Created a forward lookup zone called companyname.com
Added an A record “mail” – mail.companyname.com and associated to IP
I have created a single SSL Certificate mail.companyname.com
I have added the certificate to both CAS servers.
URL (Internal and External) for Outlook Anywhere is mail.company.com
URL (Internal and External) for OWA is mail.company.com/owa
I have a single ISA 2006 standard edition server
Added the SSL cert into the personal directory and trusted third party
I create a rule for OWA using the ISA wizard, web listener is
authenticating using HTML Form Authentication – Works no problem
When I to try and create an Outlook Anywhere rule via the wizard….
and create a Web Listener to use HTML Authentication – I get the
following ISA error
A Web listener specifying the same port and similar IP addresses is
already used by rule “Outlook Web Access”. The port and IP addresses
specified in a Web listener cannot overlap with the IP addresses and
ports specified in another Web listener already used in a different
Is there an alternative to get both rules working on the same ISA box?
Or do I need another ISA server to process requests for Outlook
Or Possibly Another CAS server specifically for OWA changing the Default
Web Directory to process SSL on port 444??
Any ideas / help would be gratefully received
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