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ActiveSync very slow on iPhone with Exchange 2013 SP1 RRS feed

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    I am having a problem with Exchange 2013 Version 15.0 (Build 847.32) AKA service pack 1

    ActiveSync takes 2 full minutes each time I try to sync any iPhone (spinning circle on iPhone or ipad). The same account works fine using any android device, takes just a few seconds.

    The remote connectivity analyzer has found no issues. I have tried several IPhone and ipad versions on several different accounts with the same results.

    The same iPhone works fine against another exchange server for another client. Takes just a few seconds

    Any Ideas?

    Friday, January 9, 2015 9:11 PM

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    I have solved this issue, the problem ended up to be firewall related. The web content filtering module in the firewall was causing the issue. I have disabled web content filtering on the firewall until the firewall vendor comes up with a resolution to the issue. Funny that it only affected iPhone and iPad devices, not android or windows phones or OWA. It also did not affect the Exchange 2010 server, as everything worked fine before the migration to EX 2013.

    The problem was on any iPhone or iPad, using IOS 6 7 or 8

    Thanks for the reply

    • Marked as answer by slabounty Tuesday, January 13, 2015 9:33 PM
    Tuesday, January 13, 2015 9:33 PM

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    Hi

    Are all the ipads and iphones on the same IOS version?

    Hope this helps. Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.

    • Marked as answer by slabounty Monday, January 12, 2015 10:43 PM
    • Unmarked as answer by slabounty Monday, January 12, 2015 10:43 PM
    Saturday, January 10, 2015 4:05 PM
  • Question
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    1
    Sign in to vote

    I have solved this issue, the problem ended up to be firewall related. The web content filtering module in the firewall was causing the issue. I have disabled web content filtering on the firewall until the firewall vendor comes up with a resolution to the issue. Funny that it only affected iPhone and iPad devices, not android or windows phones or OWA. It also did not affect the Exchange 2010 server, as everything worked fine before the migration to EX 2013.

    The problem was on any iPhone or iPad, using IOS 6 7 or 8

    Thanks for the reply

    • Marked as answer by slabounty Tuesday, January 13, 2015 9:33 PM
    Tuesday, January 13, 2015 9:33 PM