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Calendar Invitations Persist On iPad Despite Being Accepted

I use a Windows 7 PC, MacBook Pro, iPhone and iPad in conjunction with an Exchange account. When I receive an invitation from another Exchange user and accept in Outlook, the invitations still remain in the calendar app on the iPad but not on the Mac or the iPhone. The only way to get rid of them seems to be to accept them again which generates superfluous messages to the organiser.

Bug or something wrong with my configuration?

13" MacBook Pro, 2.53 GHz Intel Core 2 Duo, Mac OS X (10.6.3)

Posted on Jun 3, 2010 1:42 AM

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26 replies

Oct 5, 2010 11:56 AM in response to eye595

I'm running into a very similar issue using an iPad with iOS 3.2.2, Exchange 2010 (hosted by Intermedia, an Exchange hosting service), and Windows 7 with Outlook 2010.

In my case, the iPad is generating a "delete" command via Active Sync, causing the appointment to be deleted on the Exchange server. We can't confirm what's causing the command to be issued (if it's user input, or something else), but the logs on the Exchange server do indicate a proper and successful delete / sync from the iPad to the device, when the intent is NOT to delete the appointment. We've had 2 cases from the same user with this so far.

Jan 24, 2011 6:55 PM in response to oneat001

The work around worked just great (turn off calendar, turn on, re-sync). The persistent invitations were extremely annoying and I couldn' figure out how to get rid of them. I'm all back to normal and it took a total of maybe 2 minutes to fix things and re-sync. I see this work around was posted 6 months ago. Has Apple not come up with a fix for this yet?

Feb 7, 2011 12:48 PM in response to IanB

Microsoft has an Exchange "best Practices" document

http://office.microsoft.com/en-us/help/HA011276781033.aspx

one of the things they suggest is accepting every invitation...as I understand it if even one invitation is deleted, the appointment can be deleted. This is one reason they suggest minimizing the number of delegates, to minimize the number of invitations floating aqrounbd...

Jun 5, 2011 2:45 AM in response to IanB

I just encountered this very annoying bug.


Problem: A calendar invite sent by me from MS Outlook Calendar - that I initially accepted on my iPad - which I could not modify or delete.


Reason - I discovered that this is because:

1. I synchronise my calendars via Mobile Me,

2. The calendar that the appointment had been saved to was "on my iPad" and thus was not syncing with Mobile Me, and

3. These invitations can only modified on in iCal on my Mac.


Solution:

1. In iTunes turn on "Sync iCal Calendars" and select "All calendars"

2. Initiate sync.

3. The "on my iPad" calendars will now appear in iCal on your Mac.

4. Delete the offending events, or if you want the entire offending calendar.

5. Sync again to transfer these changes back to your iPad.

6. Turn of "Sync iCal Calendars" in iTunes to return to Mobile Me only syncronisation (It will prompt you to either keep or remove the calendars from you Mac - I chose remove to avoid duplicate entries.)


I hope this helps!

Jun 22, 2011 8:50 PM in response to Bonesaw1962

Bonesaw1962 wrote:


Microsoft has an Exchange "best Practices" document

http://office.microsoft.com/en-us/help/HA011276781033.aspx

one of the things they suggest is accepting every invitation...as I understand it if even one invitation is deleted, the appointment can be deleted. This is one reason they suggest minimizing the number of delegates, to minimize the number of invitations floating aqrounbd...


You DO realize that the issue the op described has NOTHING to do with Delegates or the best practices thereof. This is just ONE user with different programs/ways of accessing his OWN calendar; thus presenting an issue with Sync.


To the OP: I wonder if iPhone, Outlook, and iPad are using the SAME settings (Outlook Anywhere vs OWA with ActiveSync, while Outlook uses autodetect where MAPI is auto created upon first launch on LAN)?

Calendar Invitations Persist On iPad Despite Being Accepted

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