Oracle® Database 11g / 12c / 18c error codes ORA-00102: network protocol [string] cannot be used by dispatchers

ORA-00102: network protocol [string] cannot be used by dispatchers

Oracle Error Code: ORA-00102

Cause: The network specified in DISPATCHERS does not have the functionality required by the dispatchers.

Action: Refer to the manual on network protocols supported by the dispatchers.