Ms Active Sync Issue

Posted on 2011-03-22
Last Modified: 2012-05-11
Hi ,

 We have windows server 2003 standerd with Exchange 2007. Today i get an error about Microsoft exchange active sync. i m attaching the file so please find the word document.

Even ID 1040 MS Active Sync
Question by:techgyan
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 5
  • 3
LVL 74

Assisted Solution

by:Glen Knight
Glen Knight earned 500 total points
ID: 35188091
What firewall are you using?

Can you try the solution here with regards to changing the Heart beat Interval:

Author Comment

ID: 35188114
thanks for your comments......
i will try to change heart beat interval then let u know.

Author Comment

ID: 35188174
i found in my server there is following values. so in this which figure i need to change.

    <add key="MinHeartbeatInterval" value="60"></add>
    <add key="MaxHeartbeatInterval" value="3540"></add>
Industry Leaders: We Want Your Opinion!

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

LVL 74

Assisted Solution

by:Glen Knight
Glen Knight earned 500 total points
ID: 35188190
The Max timout is set to 59 minutes which is more than sufficient.

How often do you see the error in the event log?

Author Comment

ID: 35188229
i m putting the exact error which is happening in my server. please see the following error.

(The average of the most recent [442] 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 you use Exchange ActiveSync, see Microsoft Knowledge Base article 905013, "Enterprise Firewall Configuration for Exchange ActiveSync Direct Push Technology" (

LVL 74

Assisted Solution

by:Glen Knight
Glen Knight earned 500 total points
ID: 35188250
As I asked before, what type of Firewall do you have?

Accepted Solution

techgyan earned 0 total points
ID: 35188303
fortigate 60c firewall but i want to tell you one thing for your information.

Yesterday i upgrade my internet bandwidth plan from 2 MBPS To 4 MBPS and since morning i get this Error.

Author Closing Comment

ID: 36157551

Featured Post

Free Tool: IP Lookup

Get more info about an IP address or domain name, such as organization, abuse contacts and geolocation.

One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Learn to move / copy / export exchange contacts to iPhone without using any software. Also see the issues in configuration of exchange with iPhone to migrate contacts.
This article aims to explain the working of CircularLogArchiver. This tool was designed to solve the buildup of log file in cases where systems do not support circular logging or where circular logging is not enabled
In this video we show how to create an email address policy in Exchange 2013. We show this process by using the Exchange Admin Center. Log into Exchange Admin Center.:  First we need to log into the Exchange Admin Center. Navigate to the Mail Flow…
This video shows how to quickly and easily add an email signature for all users on Exchange 2016. The resulting signature is applied on a server level by Exchange Online. The email signature template has been downloaded from: www.mail-signatures…

691 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question