Make sure that the Lync client has the most recent update. The Lync client can't identify the correct autodiscover information. The firewall or proxy blocks necessary traffic. The Exchange Web Services (EWS) service isn't enabled. Integration with Microsoft Exchange Server or Outlook is disabled. This issue occurs if one or more of the following conditions are true: History, voice mail, and Outlook-related features might be unavailable or out of date until the connection is restored. Lync will attempt to repair the connection until it is fully restored. Lync is experiencing connection issues with the Exchange server. Lync is in the process of determining the location of Exchange Web Services. History, voice mail and Outlook-related features will be unavailable.Ĭannot connect to Exchange Web Services to retrieve Calendar and Out of Office Information. Lync will attempt to retry the connection. Lync cannot connect to the Exchange server.
