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Joined: Sun Oct 27, 2013 1:59 am

Event id 1040 - Need to change firewall connection timeout

Wed Apr 09, 2014 4:02 pm

We got this warnin' in event log.
Event Type: Warning
Event Source: MSExchange ActiveSync Event
Category: Requests
Event ID: 1040
Description: The average of the most recent [89] 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.
I don't know if we have to deal with our router (firewall in router) or we have to deal with windows firewall? In SBS2011 i did'n find any field where i can change the time limit. The 443 port are open (80 too). In IIS i change the ASP time limit to 30 min.

Any suggestion how to change the time-out limit in Mikrotik router to port 80 and port 443?

Thank you masters
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Joined: Tue Jan 09, 2018 9:42 pm

Re: Event id 1040 - Need to change firewall connection timeout

Sun Dec 01, 2019 10:19 pm

Did you find a resolution to this?

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