How to fix the Oracle error NNC-00005: cannot initialization stream subsystem?

In this post, you’ll learn more about the Oracle ErrorNNC-00005: cannot initialization stream subsystem with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

NNC-00005: cannot initialization stream subsystem

Reason for the Error NNC-00005: cannot initialization stream subsystem

Cause: The name service stream subsystem could not be started, probably because of a missing TNS error message file.

How to fix the Error NNC-00005: cannot initialization stream subsystem ?

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

Action: Check that SQL*Net has been installed properly and that all message files are in their proper locations.