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  1. BlackBerry Docs
  2. BlackBerry Enterprise Mobility Server 3.5
  3. BEMS Installation Guide
  4. Prerequisites: Installing and configuring BEMS
  5. Presence prerequisites: Microsoft Lync Server and Skype for Business

Presence
 prerequisites:
Microsoft Lync Server
 and
Skype for Business

For
Microsoft Lync Server
 and
Skype for Business
, the
Presence
 service has the same predeployment requirements as the
Connect
 service. The
Presence
 service does not require its own
Microsoft SQL Server
 database when it is installed on a computer with the
BlackBerry Push Notifications
 (
Mail
) service or on a computer with the
Connect
 service.
If you installed the
Presence
 service on a separate computer, you must create a database. It is recommended to call the database BEMS_Core2.
For more information about prerequisites, see the following: Prerequisites: Connect for Microsoft Lync Server and Skype for Business
Presence
 for
Skype for Business
 on-premises using non-trusted application mode doesn't use the
Good Technology Presence
 service. Therefore, there is no requirement to start the service, and no requirement to make sure that an MTLS certificate is issued for the
Presence
 service to use.
Presence
 status is provided by
Good Technology Common Services
 service.