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iOS8: Mail app Email Address changes in ActiveSync Account information

Hello all!

I manage an Exchange 2010 mail system for my company, with approximately 500 mobile devices, a majority of which are iOS using ActiveSync.

Since the upgrade to iOS8, I've seen an issue in the account information for Mail app where after some time (maybe a few days) the Email address (the primary SMTP address) gets changed to the userPrincipalName (UPN) account name from Active Directory. These are different from each other. For our organization (and I'm sure for many others) this is a problem that comes up when the user wants to "Reply to All," the device sends the message back to the user since it thinks the UPN is a different address/account than the SMTP address.

This only came about after the upgrade to iOS8 (also apparent in 8.1) and is affecting all devices. I can change the address to the proper primary SMTP address but it will change back to the UPN after a few days. I'm assuming it is getting the UPN from Exchange Auto Discover, but again this didn't happen previous to iOS8 and is not affecting any other devices using ActiveSync to receive mail.

Thank you for your help!

iPhone 6, iOS 8.1

Posted on Oct 29, 2014 7:10 AM

20 replies

davezeisler Author

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Dec 2, 2014 8:20 AM in response to SysAdmin_MA

You'll need to update the e-mail address in the iOS device just once more and then it should stay that way.

May 12, 2015 3:51 AM in response to davezeisler

Hi, We are also having the same issue, do we know if Microsoft have released a hotfix for this yet? I have looked into the workaround you described but none of the other addresses that affected users have in their smtp list are upper case apart from the primary. There are no SIP addresses at all. Recreating the partnership on the Iphone sets the IOS address to the primary initially but always reverts back to an incorrect address. for example below is a test user that has been created on the AD with it's related smtp addresses.

SMTP:test.user@mydomain.com

smtp:test.user@mydomaingroup.com

smtp:test.user@mydomainplc.com

The iphone will pick up the primary address - test.user@mydomain.com when the partnership is created but after a couple of days it shows as test.user@mydomaingroup.com. Although the recipient always receives from the primary address it is annoying for the user sending from their iphone that it is showing the incorrect address. This is again on IOS 8

Thanks

May 13, 2015 1:13 AM in response to Spirit Service Desk

Bump

May 27, 2015 5:47 AM in response to Spirit Service Desk

Does anyone know if Microsoft have come up with a solution for this issue?

Jun 17, 2015 3:17 AM in response to davezeisler

Hi, Has anyone know of any solution for this, we have even deleted the STMP addresses that are causing this issue but it still remains on the phone. Thanks

iOS8: Mail app Email Address changes in ActiveSync Account information