Before you begin
Ensure that the following certificates are installed on the client computer:
A trust certificate for System Manager that manages the cluster containing Avaya Mobile Communications Snap-in.
A trust certificate for Avaya Aura® Device Services using the link: https://<Avaya Aura Device Services_FQDN>/acs/resources.
A trust certificate for Avaya Aura® Web Gateway using the link: https://<Avaya Aura Web Gateway_FQDN/csa/resources/tenants/default.