Intermittent Exchange 2003 connectivity with the Iphone 3G (V2.1)

Posted on 2008-10-21
Last Modified: 2012-05-05
We have been having some strange problems lately with all of our Iphones.  They are temporarily not communicating with our Microsoft Exchange 2003 SP2 server.  The phones just seem to lose their connection to our Exchange server for up to 3 hours and then all of a sudden send all the emails down at once.  Manually syncing or resetting the phone does not cause the synchronisation to occur any faster.  Strangely the Iphone can communicate with other email servers (i.e. pop3 Gmail etc) and has a solid 3G connection - plus all the Windows mobile devices we have maintain their connection to the Exchange server when the Iphone connections drop.  Is this happening to anyone else or does anyone have a solution for this?
Question by:robclarke41
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Expert Comment

ID: 22781546
When you deployed your iPhones did you use the iPhone configuration utility from apple? We did and then v2.1 of iPhone software came out and we had the same problems. But If you use the latest version of the config utility (v1.0.1) that should fix it.

iPhone Configuration Utility (Download):

Then select your operating system and install.

Follow the instructions here to deploy it (I attached the guide to this post):


Author Comment

ID: 22794179
Thanks, I'll give this a try and get back to you


Author Comment

ID: 22794853
Hi kguy,

I've just installed the iPhone configuration utility and it looks like it simply stores pre-set profiles for your users various iPhone account settings.  How does this fix the Exchange 2003 connectivity problem?!
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Expert Comment

ID: 22801602
Sorry Rob, I must have miss understood your question. Seems like its an Exchange issue with its connections with the iPhone, not that the iPhone did not have the proper settings. Ill look into it further.

Expert Comment

ID: 22881799
You ever get a solution to this, because I have a user trying to use the iphone 3g and it has an intermitant connection to the server where by it, like yours, will fail to connect to the exchange 2003 server after many attempts, then all of a sudden it will connect out of the blue and synchronize everythng. I have treo's and blackberries configured and both work just fine. I am not using SSL.

Accepted Solution

robclarke41 earned 0 total points
ID: 22884128
Hi There,
Unfortunately not, I have also posted a question about this problem on the Apple forums and there are lots of other IT departments experiencing the same problems with the iPhone.  It seems to be a 2.1 firmware problem, although I cant see any kind of recognition or ownership of the problem from Apple?!

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