How to fix the Oracle error TNS-12508: TNS:listener could not resolve the COMMAND given?

In this post, you’ll learn more about the Oracle ErrorTNS-12508: TNS:listener could not resolve the COMMAND given with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

TNS-12508: TNS:listener could not resolve the COMMAND given

Reason for the Error TNS-12508: TNS:listener could not resolve the COMMAND given

Cause: d by incompatible Oracle Net or Net8 versions. Do not include in error manual.

How to fix the Error TNS-12508: TNS:listener could not resolve the COMMAND given ?

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

Action: This is not seen in normal use of Oracle Net.