How to fix the Oracle error TNS-12544: TNS:contexts have different wait/test functions?

In this post, you’ll learn more about the Oracle ErrorTNS-12544: TNS:contexts have different wait/test functions with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

TNS-12544: TNS:contexts have different wait/test functions

Reason for the Error TNS-12544: TNS:contexts have different wait/test functions

Cause: Two protocol adapters have conflicting wait/test functions.

How to fix the Error TNS-12544: TNS:contexts have different wait/test functions ?

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

Action: Not normally visible to the user. For further details, turn on tracing and reexecute the operation. If error persists, contact Oracle Customer Support.