When trying to install VPM policy on Edge SWG (ProxySG) from Management Center "Failed to install policy: The connection to the server timed out" error is reported:
Environment
Management Center running 3.3.3.1
Multiple Edge SWG (ProxySG) devices are configured as a target
Cause
Unknown.
Resolution
Install VPM policy to each Edge SWG (ProxySG) individually.