Steps to upgrade
BEMS
and change the instant messaging service

Before you upgrade

BEMS

, make sure that the

BEMS

debug logging level is not set to ALL. If the logging level is set to ALL, the upgrade or repair of the

BEMS

instance fails. For more information, visit http://support.blackberry.com/community to read article 42408.

When you upgrade

BEMS

and change the instant messaging service from

Microsoft Lync Server

Skype for Business

, you perform the following actions:

Step	Action
	Upgrade the BEMS software.
	Stop the Good Technology Connect service and Good Technology Presence service.
	Remove the Connect and Presence services.
	Uninstall the current Microsoft Unified Communications Managed API and install Microsoft Unified Communications Managed API 5.0.
	Add the Connect and Presence services.
	Remove BEMS from the trusted server entry records and trusted application pool.
	Create a trusted pool application for BEMS on the computer that hosts Skype for Business .
	If the trusted application pool FQDN changed, issue a new certificate to the host server.
	Configure the services. Connect service Presence service
	Start the Good Technology Connect service and Good Technology Presence service.