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RPC/HTTP Frequent failed connection

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RPC/HTTP Frequent failed connection - 27.May2010 2:21:02 PM   
jim_m

 

Posts: 1
Joined: 27.May2010
Status: offline
I've used this site a great deal, and it's been a real help in getting ISA up and running. I'm hopefull someone can offer ideas for troubleshooting a problem i'm having.
I'm running ISA 2006 on a virtual server and successfully publishing both OWA and RPC/HTTP....for a while. At random intervals, sometimes a few days, other times a few hours ISA seems to stop passing traffic. Restarting the server allways fixes it. During the period that its not working, the ISA logs only show multiple entries of  "Initiated Connection" and "Closed Connection" for all Client IP addresses. Both RPC/HTTP and OWA stop working. I have a connectivity verifier checking the connection to the OWA server, and it does not trip when this happens. I'm not really putting much of a load on it. Maybe 10 OWA clients and 2 RPC clients at any given time. What can I check? Is there a performance log that might shed some light?
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RE: RPC/HTTP Frequent failed connection - 29.May2010 7:06:10 PM   
aliyanisabrey

 

Posts: 99
Joined: 12.Feb.2009
Status: offline
do you have front end exchange server at DMZ? or you only install single exchange server at your internal network?

if there is frontend exchange server at DMZ network, it might be having a missing protocol you should add to allow between internal and DMZ network to communicate with backend exchange server.



_____________________________

Aliyani Sabrey

MCSE+Security, MCSA+Security, ISA Server 2004 & 2006

(in reply to jim_m)
Post #: 2

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