Oracle Solution for Error ora-27550

ORA-27550: Target ID protocol check failed. tid vers=number

, type=number

, remote instance number=number

, local instance number=number

What triggered the Error:

e local Oracle Real Application Cluster instance and remote instance are running with incompatible implementation of the inter-instance IPC protocol library. A misconfiguration or installation error occurred.

What should we do to fix it:

eck additional error messages in the alert log and the process trace file.