iOS 6.1: Excess Exchange activity after accepting an exception to recurring calendar event

I’ve been hearing about a lot of problems in Microsoft Exchange 2010 and above right after Apple rolled out iOS 6.1. Below is the text from Apple’s support site and a link directly to the page.

http://support.apple.com/kb/TS4532

Symptoms

When you respond to an exception to a recurring calendar event with a Microsoft Exchange account on a device running iOS 6.1, the device may begin to generate excessive communication with Microsoft Exchange Server. You may notice increased network activity or reduced battery life on the iOS device. This extra network activity will be shown in the logs on Exchange Server and it may lead to the server blocking the iOS device. This can occur with iOS 6.1 and Microsoft Exchange 2010 SP1 or later, or Microsoft Exchange Online (Office365).

* An exception is a change to a single instance of a repeating calendar event.

 

Resolution

Apple has identified a fix and will make it available in an upcoming software update. In the meantime, you can avoid this bug by not responding to an exception to a recurring event on your iOS device. If you do experience the symptoms described above, disable then reenable the Exchange calendar on your iOS device using the steps below.

1.Go to Settings > Mail, Contacts, Calendars

2.Select the Exchange account from your Accounts list.

3.Turn the switch for Calendars to OFF.

4.Wait ten seconds.

5.Turn the switch for Calendars back to ON.

 

This document will be updated as more information becomes available.

 

Important: Information about products not manufactured by Apple is provided for information purposes only and does not constitute Apple’s recommendation or endorsement. Please contact the vendor for additional information.

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