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C# Connect To Exchange with EWS RRS feed

  • Question

  • Hello,

    I need to create appointments by the connected user using c# code and EWS.

    I tried this:

    Exchange.Service.UseDefaultCredentials = true;

    But I got an Error:

    When making a request as an account that does not have a mailbox, you must specify the mailbox primary SMTP address for any distinguished folder Ids

     How to solve it?

    Monday, September 15, 2014 10:32 AM

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