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Cannot delete calendar items on shared calendar Microsoft Hosted Exchange

Hi,

My company uses Microsoft Hosted Exchange (aka office 365). We use several shared calendars to coordinate our ever-changing schedules. Up until a month ago there were no issues.

Our problem is that we are having trouble deleteting items using Outlook 2010 desktop application. A user with editor access (so read, write) will delete an appointment and it will come right back during the next sync. The owner of the calendar does not have problems deleting events ever, Just users with shared access. I have even tried giving a shared user 'owner' access and it still does not resovle the issue.

Steps I have already taken:
1. redo permissions (remove and put back) , no change
2. tried different computers
3. removed outlook profile from computer and repopulated

I turned on debugging and found the following errors but after searching I cannot find how to trouble-shoot them: please see attachment image

Please help
ee-image.JPG
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GTTech2010
Asked:
GTTech2010
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1 Solution
 
apache09Commented:
This is usually a result of, users having Cached Exchange MOde on
Often the Appointment can re-appear from the OST, and not so much from Exchange

This can also happen if the mailbox is also sycned with a mobile device such as an Iphone/Ipad ect ect

Often the appointments may still be on these devices, and if not removed from the device, a resync could reporoduce them in the calendar
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GTTech2010Author Commented:
Okay, we are syning these calendars to Idevices(iphones, ipads)  as well.

What is the next step to resolving the issue ?

Thanks for your response
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apache09Commented:
Next step is to eliminate/verify the i-devices as the cause of the problem

Disable the sync on the devices

Then Test
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GTTech2010Author Commented:
Okay,

I have removed the account from the Idevice and I'm still having the same problem.
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apache09Commented:
SO disbaled the SYnc on the Mobile Devices

Deleted the Appointment formt he calendar in outlook

and have resynced and the appointment has come back?

Chekc the account settings
Under exchange server name
Look to See if Cached Exchange mode is on

If it is, turn it off

Check the appointment in outlook

Is it still there?
If it is delte again and resync

Whats the result
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GTTech2010Author Commented:
I have disabled "Exchange ActiveSync"
I have uncheck "cached" mode

I have tried to delete a few different calendar appointments and its still happening.
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GTTech2010Author Commented:
I found the solution.
The problem occurs if the permission on the deletion bin are corrupted. This prevents the calendar event from being removed by any except the owner. You can test this by pressing shift + delete. This bypasses the deletion bin.
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GTTech2010Author Commented:
I have confirmed this with Microsoft.
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