How to fix the Oracle error TNS-01158: Internal connection limit reached, preventing dispatcher from connecting?

In this post, you’ll learn more about the Oracle ErrorTNS-01158: Internal connection limit reached, preventing dispatcher from connecting with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

TNS-01158: Internal connection limit reached, preventing dispatcher from connecting

Reason for the Error TNS-01158: Internal connection limit reached, preventing dispatcher from connecting

Cause: The internal Oracle Net connection list is full. Too many dispatchers are connected to the listener; therefore, no more dispatchers are allowed to connect.

How to fix the Error TNS-01158: Internal connection limit reached, preventing dispatcher from connecting ?

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

Action: For further details, turn on tracing and reexecute the operation. If error persists, contact Oracle Customer Support.