How to fix the Oracle error PGA-22002: communication error: TCP/IP string failed, rc = number?

In this post, you’ll learn more about the Oracle ErrorPGA-22002: communication error: TCP/IP string failed, rc = number with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PGA-22002: communication error: TCP/IP string failed, rc = number

Reason for the Error PGA-22002: communication error: TCP/IP string failed, rc = number

Cause: The function has failed with the return code of .

How to fix the Error PGA-22002: communication error: TCP/IP string failed, rc = number ?

You can fix this error in Oracle by following the below steps

Action: If the problem cannot be resolved, the supported customers should contant Oracle Support Servics for assistance.