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500 Internal Server Error when Publishing OWA and RPC/HTTP in ISA 2006 to Exchange 2003

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All Forums >> [ISA 2006 Publishing] >> Exchange Publishing >> 500 Internal Server Error when Publishing OWA and RPC/HTTP in ISA 2006 to Exchange 2003 Page: [1]
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500 Internal Server Error when Publishing OWA and RPC/H... - 12.Dec.2006 4:01:44 PM   
djesseman

 

Posts: 2
Joined: 12.Dec.2006
Status: offline
I have set up a test environment according to T. Shinders document:  The Definitive Guide for ISA Firewall Publishing OWA and RPC/HTTP with a Single IP Address:  Single Exchange Server with Separate DC Scenario/LDAP Authentication.
 
The external client gets the redirected OWA webpage and is allowed to authenticate.  If a wrong password is typed, the page requests a username and password again, so I know that LDAP authentication is working.  When the correct username and password is entered the page waits and returns:  Error Code: 500 Internal Server Error.  The number of HTTP requests per minute exceeded the configured limit.
 
On the ISA 2006 server - Monitoring Tab - Logging - the query returns multiple:  Initiated Connection - Allowed Connection (Rule OWA/HTTP) - Closed Connection.  These log messages repeat until the error on the webpage on the client is displayed.
 
Any suggestions as to what I have setup incorrectly?

< Message edited by djesseman -- 14.Dec.2006 9:47:36 AM >
Post #: 1
RE: 500 Internal Server Error when Publishing OWA and R... - 14.Dec.2006 9:52:39 AM   
djesseman

 

Posts: 2
Joined: 12.Dec.2006
Status: offline
The issue was resolved when Forms Based Authentication was disabled on the Exchange server.  It seems that the ISA Forms Based Authentication and the Exchange 2003 Forms Based Authentication can not co-exist.  Since Forms Based Authentication is installed by default in Exchange 2007, I now have my next task to resolve.

(in reply to djesseman)
Post #: 2

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