Upon trying to move an email into our document management system in Outlook, the user reported the following error: “The item could not be deleted, it was either moved or already deleted, or access was denied.” This was odd, because normally this error is seen when items are deleted from shared mailboxes, as this this Microsoft KB article explains. The folder she was trying to move it into was her own document store, which she had full access. Upon trying to move other items, the error was not encountered.
I asked the user to send me the message and at first glance there was nothing special about the email. It was composed of a few short paragraphs with no special formatting beside some text bolding. The user composed these messages on a weekly basis, sent them to herself and then would re-file them into the DMS.
I asked the user to open the message on her system, noticed it was very slow to open, and eventually caused Outlook to become unresponsive. After restarting Outlook and looking at the message in the message pane of the user I noticed it was 1MB in size. This was odd because there was no attachment.
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