iphone connection problems for some users with Exchange 2010

 In MS Exchange 2010

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Hi All

I had an issue this week where I had installed Exchange 2010, standard setup, onto a server and I was having issues with iphone connectivity.

The thing that really saved me was the use of

https://www.testexchangeconnectivity.com/

I don’t own an iPhone myself and using the above online tool helped me to test the ActiveSync connectivity to the new mailserver, without needing a phone.

Please make sure you have ports 80 and 443 open on your firewall – both Windows Firewall and Hardware Firewall, otherwise traffic will not flow in and out correctly.

First of all, when running through the “ActiveSync (non-autodiscover)” utility, it flagged up the need for an external certificate. This I purchased and installed. See my other post for using a single domain external SSL certificate both internally and externally here

Single Domain SSL Certificate – Exchange 2010

Secondly the tool then started to flag issues with running “CONNECT” statements and gave some error 500’s

Exchange ActiveSync Returned an HTTP 500 Error

An Unsupported Authentication Method was Found

at this point I could start to Google possible resolutions. Interestingly I managed to see that some users connected without any issues, and others caused errors, within the utility. This lead me to look into permissions issues.

The resolution turned out to be extremely simple.
  1. Open Active Directory Users and Computers
  2. Turn on Advanced Features in the tools menu
  3. Locate the user in question
  4. open their properties (right click – properties)
  5. Goto the security tab
  6. Click the Advanced button
  7. In here TICK the box “inherit permissions from  parent”

This was ticked for users which were working and un-ticked for those who were not. very simple indeed.

Then the online connectivity tool started producing “green” “connected” messages 🙂

Hope this helps

JK

 

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