Symptoms
After you move to Exchange vNext from a legacy dedicated environment, you can't see conversation history, calendar data, or presence data in Outlook. You have to sign out, delete sign-in information, and then sign back in to Microsoft Lync 2013 (Skype for Business) or Skype for Business 2016 to get the full functionality. See Skype for Business/Lync client can’t integrate with Exchange vNext after migration to Office 365 Dedicated and ITAR (vNext) for more information.
Resolution
To fix this issue, use one of the following methods:
For Lync 2013 (Skype for Business)
To fix this issue, apply the following update:
November 1, 2016, update for Lync 2013 (Skype for Business) (KB3127934)
For Skype for Business 2016
To fix this issue, apply the following update:
November 1, 2016, update for Skype for Business 2016 (KB3127939)After you install the update, you have to restart Lync 2013 (Skype for Business) or Skype for Business 2016 to integrate with the Exchange vNext mailbox.Note Lync 2013 was upgraded to Skype for Business in April 2015.
