Microsoft Office Outlook 2010 integrates with SharePoint 2010 workflow notifications by providing an option to "Open this Task" on the ribbon. We have an issue where when the user tries to open an overdue task using outlook 2010 the outlook flickers and hence the user has to to kill the outlook.

The user can open the task when an item has been assigned using outlook 2010 but when the same task is overdue the outlook flickers.

I've used fiddler tool to see the error for this issue and i can see error HTTP/1.1 500 Internal Server Error with

Item does not exist. It may have been deleted by another user.

ULS logs has same error as Item does not exist. It may have been deleted by another user.

I am not sure how to resolve the issue. any help would be appreciated.

  • Did u find that task on the SharePoint site? The error states the task no longer exist, however appearing in the Outlook list could only mean that syncronisation between Outlook and SharePoint has not been succesful. You might also need to re-authenticate with SharePoint from Outlook – Marius Constantinescu - MVP Aug 7 '12 at 11:19
  • thanks for your resonse. I can see the task is there and the user who is trying to edit the overdue task has contribute permissions. – nishtha Aug 7 '12 at 11:59
  • Managed to find reason why user was unable to edit the overdue task. It was a permission issue on the task, added user with contribute permission on the task and it worked.One thing that i am not sure about is how the workflow managed to remove the permissions for that user for an overdue task? is this by design? – nishtha Aug 7 '12 at 14:26
  • Workflow can do anything as they are not always running in the same context as the user operating the site, e.g. could run as Initiator, Creator or even System administrator, therefore could also update permissions. – Marius Constantinescu - MVP Aug 7 '12 at 14:44
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    Put your solution as an answer, if you've solved the problem. – Mike Aug 7 '12 at 17:13

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