How to fix the Oracle error ORA-06128: NETTCP: unable to create mailbox?

In this post, you’ll learn more about the Oracle ErrorORA-06128: NETTCP: unable to create mailbox with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-06128: NETTCP: unable to create mailbox

Reason for the Error ORA-06128: NETTCP: unable to create mailbox

The host’s SQL*Net TCP/IP server was unable to create a mailbox (needed for IPC communication with the ORACLE server process). See the SQL*Net TCP/IP server log file for more details.

How to fix the Error ORA-06128: NETTCP: unable to create mailbox ?

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

Contact your customer support representative.