Apple plans to issue bug fix for iOS 6.1 Exchange Sync


Apple announced today that it has identified the cause of a sync problem between iOS 6.1 devices and Microsoft’s Exchange service and said it would issue a fix in the next software update.

Almost immediately after Apple release iOS 6.1 at the end of January, Microsoft Exchange administrators noticed that devices running the new OS version were causing “excessive logging” on servers. The issue was traced back to Apple code used to synchronize a user’s Exchange mailbox and calendar events.

The announcement, made on Apple’s support page, did not indicate a timeframe for that software but offered advice for avoiding the issue:

“Apple has identified a solution and make it available in an upcoming software update. Meanwhile, you can avoid this error by failing to respond to an exception to a recurring event on your iOS device. If you experience the symptoms described above, then re-enable disable Exchange Calendar on your iOS device …”

Apple noted that affected users may notice increased network activity or reduced battery life on their iOS device. The increased activity will appear on Exchange Server logs and may lead to the device being blocked. The issue affects iOS 6.1 devices running Microsoft Exchange 2010 SP1 or later, or Microsoft Exchange Online (Office365).

On January 28, Apple released iOS 6.1, the first major update to iOS 6 since September. Along with a few new minor features and bug fixes, the new software also prompted numerous reports of sudden and significant battery drain and at least one case of an overheating battery. Suspicion immediately fell to upon the excessive logging issue with Microsoft Exchange.

via CNET


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