Omit the -server-comms-port parameter.Change the register-with and register-worker commands: The setup of a Polling Tentacle for an Octopus Cloud instance over port 443 is the same as a Polling Tentacle over port 10943, except when registering the Tentacle. The procedure for configuring Polling Tentacles to use port 443 varies based upon your chosen method of hosting Octopus Server. For more information, see Polling Tentacles over WebSockets. Configuring polling tentacles over port 443 does not use WebSockets.You must be running Tentacle 6.3.417 (or higher) to configure polling tentacles over port 443.