activesync and exchange http
- From: duke <duke@xxxxxxxxxxxxxxxxxxxxxxxxx>
- Date: Mon, 5 Nov 2007 16:02:19 -0800
We have many employees out in the field that either use our push services on
their phones or get their email in outlook through http. Lately our
performance has been horribly slow in receipt to both. Looking through logs
i have several events dialy regarding a similar report:
"The average of the most recent [200] 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. For more information about how to configure firewall settings
when using Exchange ActiveSync, see Microsoft Knowledge Base article 905013,
"Enterprise Firewall Configuration for Exchange ActiveSync Direct Push
Technology" (http://go.microsoft.com/fwlink/?linkid=3052&kbid=905013).
Our network is set up with a single (hardware) firewall on the out with
network and SBS behind. The SBS only has one NIC so i do not have ISA
running, and the referenced article at microsoft is about adjusting the ISA
firewall. So does the warning apply? Do i need to make adjustments in our
cisco firewall for Push Mail?
.
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