How to fix the Oracle error PGA-21450: communication error: ‘string’ failed, errno = number?

In this post, you’ll learn more about the Oracle ErrorPGA-21450: communication error: ‘string’ failed, errno = number with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PGA-21450: communication error: ‘string’ failed, errno = number

Reason for the Error PGA-21450: communication error: ‘string’ failed, errno = number

Cause: The AIX SNA function failed with a system error number of .

How to fix the Error PGA-21450: communication error: ‘string’ failed, errno = number ?

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

Action: The AIX SNA error codes are documented in the IBM manual AIX SNA Server: Diagnosis Guide and Messages. Use this manual to determine the cause of the problem and correct it. AIX SNA system error numbers are also documented in the /usr/include/luxsna.h header file on AIX systems.