Unable to open protocol bb....bb for cc....cc service using aa....aa.

aa....aa: Protocol class
bb....bb: Protocol type
cc....cc: Instance name

Description

1. This error occurs when the specified port is being used in another application.
2. This error occurs when an invalid host name is specified.

Action

1. Make sure that the same port number is not used in another application.
2. Specify a valid host name.