Unable to start listening on port/Ports

"CS00073" "Unable to start listening on port %1 %%%"

Occupied or closed by a firewall (Engine).

"EM02012" "Unable to get port of Web Service on %1 %2"

Control Service Occupied or closed by a firewall - 8088

"EM02014" "Control Service has different port on %1 %2 and %3 %4 hosts"

"ER00609" "Failed to configure Web Access port."

Scenario IIS -

Check whether another Engine or another application is already using this port. Change the port no. in one of them.