SHAREPOINTEXCHANGELYNCOFFICE WEB APPS Server to Server Authentication Site Mailboxes High Resolution Photos Task Synchronization Unified Contact Store Presence Meeting Recordings Voice Mail

Server-to-Server Trust MS-XOAUTH Protocol Documentation -

eDiscovery User sends a query SharePoint Server generates an access token SharePoint Server sends the access token to the Exchange server. Exchange server validates the access token and sends the query results SharePoint Server sends the query results to the eDiscovery User

User logs into Lync User logs into Exchange 2013 mailbox Outlook calls Lync installed on the same computer to retrieve presence information User connects to SharePoint MySite. Internet Explorer calls Lync installed on the same computer as browser to retrieve presence information

User logs into Outlook Web App. Exchange CAS queries Lync Server for presence information