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Well it blew my mind because half of the iPhones worked fine, all blackberries and outlook clients worked fine... but there is an Exchange patch we found that somehow didn't get applied. It's KB926666, and we found it by updating the Windows Update to Microsoft Update on the Exchange server. <br />
<br />
Thanks for helping me find this. I assume this must fix the problem, but we won't apply the patch till tonight, so we won't know for sure till tomorrow.
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Well it blew my mind because half of the iPhones worked fine, all blackberries and outlook clients worked fine... but there is an Exchange patch we found that somehow didn't get applied. It's KB926666, and we found it by updating the Windows Update to Microsoft Update on the Exchange server.

Thanks for helping me find this. I assume this must fix the problem, but we won't apply the patch till tonight, so we won't know for sure till tomorrow.

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So this is neat. In Standard Central Time, US. We have exchange 2003 SP2 with (I think) all updates to date. Outlook 2010. And when we accept calendar meeting invitations on SOME iPhones, it changes the time to 1 hour later immediately after you accept the appointment. <br />
<br />
We have tried different versions of the iPhone software and different service pack levels of Outlook 2010. It stays with the user/phone regardless. <br />
<br />
It seems to be some bug with the 2007 changes in Daylight savings. We've checked settings on PCs and iPhones to adjust for the new daylight savings and it appears everything is up to date. <br />
<br />
How can this happen on some iPhones that are the same model and OS update level and not others?
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So this is neat. In Standard Central Time, US. We have exchange 2003 SP2 with (I think) all updates to date. Outlook 2010. And when we accept calendar meeting invitations on SOME iPhones, it changes the time to 1 hour later immediately after you accept the appointment. 

We have tried different versions of the iPhone software and different service pack levels of Outlook 2010. It stays with the user/phone regardless. 

It seems to be some bug with the 2007 changes in Daylight savings. We've checked settings on PCs and iPhones to adjust for the new daylight savings and it appears everything is up to date. 

How can this happen on some iPhones that are the same model and OS update level and not others?

Outlook Calendar 1 hour discrepency with iPhone

The iPhone is a smartphone made by Apple Inc. It and the iPad, along with several other mobile devices from Apple, run on the iOS operating system, which has its own topic, as does the iPad for device-specific questions. Native iOS applications are written in Objective-C or in Swift using the Cocoa Touch frameworks or HTML5 compiled with the help of a package manager such as Adobe PhoneGap; a common IDE is Xcode.

iPhone

Microsoft Outlook is a personal information manager from Microsoft, available as a part of the Microsoft Office suite. Although often used mainly as an email application, it also includes a calendar, task manager, contact manager, note-taker, journal, and web browser.