I am trying to display Outlook calendar in Sharepoint 2013 on premise. I have done following things in Calendar Overlay added Outlook Web Access URL and Exchange WebService URl. But still i am getting this error: enter image description here

For solution i have added Work email in Manage User property and Setup outgoing email also and Synchronized user profile but no effect.

I have tried to do same in office 365 but in that i am getting following error.

The HTTP request is unauthorized with client authentication scheme 'Ntlm'. The authentication header received from the server was 'Basic Realm=""'. (6334659d-901b-2000-2122-cb1effb031c8)

So any solution for that.??

  • Is this two separate questions? E-mail address is empty is at on-premise SP and NTLM-basic mismatch at O365? – Aziz Kabyshev Mar 4 '16 at 10:54
  • Yes. first error occurred in on premise Sharepoint and Ntlm occurred in Office 365. – A.Mathew Mar 4 '16 at 10:57
  • Is it all the same AD domain? Nothing like cross-domain trusts or domain forests? – Aziz Kabyshev Mar 4 '16 at 11:02
  • Yes all in same AD domain also on premise sharepoint i have also configure outgoing mail and added email address in Managed user properties and started user profile synchronization but same error reflects – A.Mathew Mar 4 '16 at 11:04

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