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Do we need to provide the credentials while using EWS Managed API. RRS feed

  • Question

  • hi All,

     

    1> i am trying to use the EWS Managed Api in Exchange server OWA customization.

    i have a custom form in owa on which i am fetching all contacts.

    while using ExchangeService class when i pass the credentials the code works but when i write

    service.UseDefaultCredentials = true; and try to run the code in owa i get follwing exception

    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.

    here is the code that i am using to instantiate the class.

     ExchangeService service = new ExchangeService(ExchangeVersion.Exchange2010);
     service.UseDefaultCredentials = true;
     service.Url = new Uri("https://MYSERVER/EWS/Exchange.asmx");

    please let me know where i am going wrong.

     

    2> also Another question when i use EWS then i can use UseDefaultCredentials = true; with perfection.

     

    also what should i use(EWS API or Normal EWS) to get all contact,calendaritems etc on owa.

    Pls Note : i am adding custom page to OWA.

    <form id="form1" action="Test.aspx" method="post">
    <input id="__VIEWSTATE" name="__VIEWSTATE" type="hidden" value="/wEPDwUJNzgzNDMwNTMzZGQ=" />
    </form>
    Monday, January 10, 2011 7:21 AM

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