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Connect iPhone to Exchange

We have a client that exchanged two Blackberry phones for two iPhones.  Both Blackberry units were receiving e-mail using Exchange/OWA.  The salesperson at Verizon said it would be easy to connect the iPhone to Exchange.  The client could not get Exchange to work so Verizon suggested they contact their IT support.  For identification purposes, I will refer to the iPhones as ‘A’ and ‘B’.  We were able to get e-mail working on phone A.  Using the same settings for the server and domain (except for username and password) on phone B, we get message “Cannot get mail.  The connection to the server failed.”  The account on B was deleted and reentered as a check to insure nothing was missed in setup.  A prompt appeared stating that a passcode was required.  I created a code and e-mail started working.  However, when the e-mail started working on B it stopped on A.  We deleted the account on A and re-entered.  E-mail started working again on A but now B cannot receive messages.  When we verify the settings and complete the “Verifying” phase, we get “Exchange Account  Unable to verify account information” message.  

Question:  If phone A is able to connect to Exchange and send and receive e-mail, what could be preventing B from working if the server information is the same?  Is there something in Exchange that would only allow one connection?  The client has other staff member using Blackberry and OWA and their e-mail is still working.

Any suggestions on troubleshooting this problem will be appreciated.  The suggestions from Verizon did not resolve the problem.


Other information:
Exchange version:  2007 on a server running SBS2008
They do not have an SSL certificate.  The SSL option is OFF on the iPhone
Both users have Exchange ActiveSync enabled on the mailbox features
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barnettmnljs
Asked:
barnettmnljs
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2 Solutions
 
jonahzonaCommented:
Were the blackberries using BES or BESE?

I had a problem an employees iphone once, and it was because mobile access was disabled on his AD account. You could try that, though this problem sounds much more intensive.

Right click username in AD -> Exchange Tasks -> Attributes -> make sure Outlook Mobile Access in enabled.
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jonahzonaCommented:
Sorry. I just saw the OTHER information. I need to read more thoroughly. Ignore last comment.
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meko72Commented:
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Alan HardistyCo-OwnerCommented:
Meko72 - My article is for Exchange 2003 only and this question is about Exchange 2007.

barnettmnljs - please have a read of my other article that may be more relevant:

http://www.experts-exchange.com/Software/Server_Software/Email_Servers/Exchange/A_2861-Activesync-Working-But-Only-For-Some-Users-On-Exchange-2007-2010.html
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meko72Commented:
I really do Apologize I misread and didnt pay attention
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barnettmnljsAuthor Commented:
Thanks for the replies.  These look like the suggestions I need for additional troubleshooting.  I will review the replies but it will be next week before I can get back to the client's office.  
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Alan HardistyCo-OwnerCommented:
@meko72 - No worries - I am not going to beat you up for posting any of my articles :)
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barnettmnljsAuthor Commented:
We have no problems with the replies.  Sometimes a reply that appears to be wrong may lead to a possible solution because, although it may not really apply, it gets you to thinking in a different direction than where you are.

Thanks again for all replies.  
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barnettmnljsAuthor Commented:
The "Inheritable Permissions" was selected for each user.  I looked at ADSIEDIT.MSC but did not understand where to look for the "adminCount".

I noticed in one of the solutions a reference to Exchange Remote Connectivity Analyzer.  I used this tool with the e-mail account that is working.  The connectivity test failed.  The client is not using the SSL option when configuring the account on the iPhone.  We do not believe they have a valid SSL certificate.  Could this be a part of the problem even though one phone is working?

Is there anything on the phone that could prevent the connection and/or account verification?  Verizon had us turn off WiFi as a test.  

Thanks again for the assistance.
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barnettmnljsAuthor Commented:
I contacted Apple this afternoon.  Their suggestion was to delete the account and reenter.  When this did not resolve the problem, they suggested contacting Microsoft since it appears to be an Exchange issue.  However, while updating my notes on the Apple calls, the phone asked to create a passcode.  I created a passcode and e-mail started working.  So far, e-mail is working on both phones.  We will watch this over the next few days.

Some questions for additional information:
Any thoughts on the above question for Exchange Remote Connectivity Analyzer?  One Apple tech said the SSL was not an issue.
Is there a place in Exchange2007 that sets a number for mobile devices?  Another Apple tech mentioned a setting in Exchange2010 but was not sure if Exchange2007 was included.
When we created the passcode, is this a code on the phone or on the Exchange server?  

All information and comments are appreciated.
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barnettmnljsAuthor Commented:
Thanks for the replies on this issue.  Checking the replies made us recheck the Exchange and server configuration.  Both phones finally connected to Exchange after requesting a passcode.  We still have some open questions (see last two posts) but everything is working and our customer is sending and receiving e-mail as expected.
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