How to fix the Oracle error NCR-04026: NCRR: Operation not supported?

In this post, you’ll learn more about the Oracle ErrorNCR-04026: NCRR: Operation not supported with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

NCR-04026: NCRR: Operation not supported

Reason for the Error NCR-04026: NCRR: Operation not supported

Cause: An operation for the Oracle Internet Directory server failed because it met with a server referral to another instance.

How to fix the Error NCR-04026: NCRR: Operation not supported ?

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

Action: Unify the Remote Ops registration entries into the Oracle Internet Directory instance and/or turn on Oracle Internet Directory tracing.