Created on 10-07-2008 06:51 AM
Event Type: Warning Event Source: MSExchange ActiveSync Event Category: Requests Event ID: 1040 Computer: Description: The average of the most recent [496] heartbeat intervals used by clients is less than or equal to [540]. Make sure that your firewall configuration is set to work correctly with Exchange ActiveSync and Direct Push technology. Specifically, make sure that your firewall is configured so that requests to Exchange ActiveSync do not expire before they have the opportunity to be processed.This event leads me to the following Microsoft article: http://support.microsoft.com/kb/905013/en-us According to this article I should change the timeout values of http and https connections to a recommended timeout of 15 minutes. So I went into the cli of our Fortigate 200 and used the following commands
config system session-ttl config port edit 80 set timeout 900 next edit 443 set timeout 900 end endBut after this configuration change we keep getting these events. Does any of you have experience or suggestions on how to configure our FG 200 to get rid of these events?
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