QUESTION POSED ON: 30 June 2009 I've moved all of my mailboxes from an existing 2003 Exchange Enterprise Server to a new 2003 Exchange Enterprise Server. When using Outlook Web Access to add an appointment to my calendar, I receive the error message: "Your message did not reach some or all of the intended recipients. The following recipient could not be reached: System Attendant." However, the appointment is registered in the calendar. What do I need to do to correct this issue?
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I'd recommend working through these Microsoft knowledgebase articles and see if they help you out:
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