Consider the following scenario:
- You enable journaling in a Microsoft Exchange Server 2010 environment.
- The journal mailbox is an external contact.
- You send a recurring meeting request. You select Yearly and a certain weekday of a month for the recurrence pattern.
#550 5.6.0 M2MCVT.StorageError; storage error in content conversion
This issue occurs because a failure occurs in MAPI to MIME conversion when the journal mailbox is an external contact.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.