Some iPhone customers reported problems connecting to their Exchange servers after updating to iPhone 3.1 update last week.
However, iPhone 3.1 upgrade wasn’t to blame for these problems, and according to Apple all is working as it should be now, reports CNET.
Natalie Harrison of Apple explained that Apple added device encryption to the data that can be managed by IT admins using Exchange Server 2007, and the policy whether to support the iPhone 3G along with the iPhone 3GS is set by the administrator and can be changed at any time.
So what does this mean?
iPhone OS 3.0 did not identify itself properly to Exchange 2007 on any iPhone. This means that if you had a 3G and Exchange 2007 was configured to require hardware encryption, you could still login, even though the device does not have hardware encryption. This was a bug!
With iPhone OS 3.1, all iPhones identify themselves properly to the server, essentially fixing a glitch in the previous operating system. However, now iPhone and iPhone 3G users that upgraded to iPhone OS 3.1 cannot login to Exchange 2007 servers that require hardware encryption.
If you use the new iPhone 3GS, you won’t notice any change. Apple’s newest phone is equipped with hardware encryption, so it will meet the requirements of the Exchange server when identifying itself.
If you already upgraded to iPhone OS 3.1 on an iPhone or iPhone 3G and connect to an Exchange 2007 server, you can ask that the IT admin turn off the hardware encryption requirement for those devices.
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