Here's a cou0ple of articles that may help:  [URL] EMC Secure Remote Services (ESRS) Master Article  [URL] Unity: ESRS and CloudIQ Master Checklist  glen
I'm having trouble finding supporting documentation that states that Unity does not support connectivity through a centralized ESRS Gateway HA (High Availability) configuration.  Can anyone please provide customer facing documentation to this fact?
Can anyone point to Documentation supporting Unity not supported in ESRS HA