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Exchange 2010 and IOS 6.1

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    I received an email from one of my colleagues warning not to upgrade to iOS 6.1.

    Working with Microsoft and Apple, they have identified an issue in IOS 6.1 that if a user updates, deletes, modifies, accepts any calendar entry from their i-device it causes problems with the Exchange server that impacts all or many other users with a multitude of different problems.  There is at this time no resolution from Apple/Microsoft.

    Was wondering if anyone else have this issue.

    Should i quaranteen Ios 6.1

    Thanks,

    Monday, February 11, 2013 2:36 PM
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    See for another thread on this:

    http://social.technet.microsoft.com/Forums/en-US/exchangesvradminlegacy/thread/d7f4b534-2eac-4291-9564-97a9875056ee

    If you want block iOS6.1, that is a decision your company will have to determine yourself. Note that there is no supported way to downgrade iOS 6.1 to a lower level, so if you block those devices, your users will have no way to get mobile mail unless they have not upgraded to 6.1 or use a different mobile vendor product.

    Twitter!:

    • Marked as answer by Halo-NEXT Monday, February 11, 2013 4:15 PM
    Monday, February 11, 2013 2:43 PM
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    Hi,
    Yes, I have seen it and below is an output taken from 1 day that clearly shows the problem.

    I used: A script to troubleshoot issues with Exchange ActiveSync
    ...to get that information.

    Workaround: To recreate the EAS Partnership on the devices.

    UPDATE: See: Apple iOS 6.1 upgrades result in excessive transaction log growth

    Martina Miskovic



    Monday, February 11, 2013 2:45 PM
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    Yes. Agree with Martina. Here is what seems to work. No guarantee it will work in all cases

    Use Exmon

    http://www.microsoft.com/en-us/download/details.aspx?id=11461

    to track down those iOS 6.1 users generating trans logs, then Remove-ActiveSyncDevice to remove the partnerships. The parnterships will be recreated automatically.

    Twitter!:

    Monday, February 11, 2013 2:52 PM
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    Thanks guys.

    We had a few issues before with iPADs and ios 5 i believe where users would accept and modify meetings from ios thus corrupting some of those meetings. running MFCMApi confirmed that some Flags were missing.

    We always guided users to not use ios/android build in utilities for meeting but instead to use OWA or outlook client.

    This looks like a diff. issue.

    Monday, February 11, 2013 3:06 PM
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    Yea, problems with Iphones and Calendaring seems to be a never ending story, but its clear to me that IOS 6.1 made the problem worse. Haven't seen it that much on Android devices.

    Martina Miskovic

    Monday, February 11, 2013 3:11 PM
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    There is a new KB:

    http://support.microsoft.com/kb/2814847/en-us

    Viele Grüsse Georg

    Tuesday, February 12, 2013 9:36 AM
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    Just released from Apple:

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

    How many people will do this from theirselves ?

    How to do it from distance without user interaction ?

    br

    kurt

    Wednesday, February 13, 2013 7:30 AM
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    Just released from Apple:

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

    How many people will do this from theirselves ?

    How to do it from distance without user interaction ?

    br

    kurt

    Wednesday, February 13, 2013 7:30 AM
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    On Wed, 13 Feb 2013 07:30:15 +0000, eFrogBE wrote:
     
    >Just released from Apple:
    >
    >https://support.apple.com/kb/TS4532
    >
    >How many people will do this from theirselves ?
    >
    >How to do it from distance without user interaction ?
     
    Isn't that something that Apple would know?
     
    ---
    Rich Matheisen
    MCSE+I, Exchange MVP
     
    --- Rich Matheisen MCSE+I, Exchange MVP
    Thursday, February 14, 2013 3:11 AM
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    IOS 6.1.2 was released to hopefully address this issue.   

    http://support.apple.com/kb/DL1639

    Tuesday, February 19, 2013 11:30 PM
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    after testing...IOS 6.1.2 does not fully address the issue.  The fix may come in IOS 6.1.3
    Friday, February 22, 2013 7:07 PM
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    We have also seen evidence that 6.1.2 doesn't resolve the issue as it has recurred in our testing and live environments. Our users are on 6.1.2 (10B146) was adjusting a single meeting of a recurring series with iPhone and the excessive logging condition came back. We identify users with Exchange User Monitor and disable their active sync to protect the server and then clear the log files with a backup.

    Is anyone else reporting or seeing that the problem is not fixed.

    TK

    Friday, February 22, 2013 7:19 PM
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    Per Tkoeppe and previous,

    We run Exchange 2007, and I can confirm that the iOS 6.1 calendar issue was impacting our organization. Our local MS TAM advised that the issue only impacts Exchange 2010, but I dispute this, as we've seen and taken action on iOS 6.1 devices causing the same problem.

    We so far have 1 case, where I investigated the same type problem (11.2 GB of TLOG in 1.5 hours), traced via 'ExMon', to a user that had both an iphone and ipad, and both had iOS version of 6.1.2 reporting, via :

    Get-ActiveSyncDeviceStatistics -Mailbox <id>

    If anyone else can verify this please jump in!

    Tuesday, February 26, 2013 11:03 PM
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