Now its also known as Secure Remote Services (SRS)
Requirements
Unrestricted Access to Support Center https://support.emc.com
Online Support full access account
Integrated ESRS
Ports required 443 and 8443
Centralized ESRS
Ports required 443 and 9443
Note: Never manually add or remove a Unity system from an ESRS Gateway server. Only
add or remove a storage system from a gateway server with the Unisphere ESRS configuration
wizard.