How to fix the Oracle error CRS-05020: Not all endpoints are registered for listener string?

In this post, you’ll learn more about the Oracle ErrorCRS-05020: Not all endpoints are registered for listener string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

CRS-05020: Not all endpoints are registered for listener string

Reason for the Error CRS-05020: Not all endpoints are registered for listener string

Cause: Listener agent failed to register all endpoints to listener.

How to fix the Error CRS-05020: Not all endpoints are registered for listener string ?

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

Action: Check listener log file for that listener.