How to fix the Oracle error TNS-01181: Internal registration connection limit reached?

In this post, you’ll learn more about the Oracle ErrorTNS-01181: Internal registration connection limit reached with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

TNS-01181: Internal registration connection limit reached

Reason for the Error TNS-01181: Internal registration connection limit reached

Cause: The number of registration connections has reached the maximum. No more registrations are allowed until some of the existing registration connections are completed.

How to fix the Error TNS-01181: Internal registration connection limit reached ?

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

Action: Disconnect existing registration connections if they are no longer needed.