How to fix the Oracle error TNS-12229: TNS:Interchange has no more free connections?

In this post, you’ll learn more about the Oracle ErrorTNS-12229: TNS:Interchange has no more free connections with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

TNS-12229: TNS:Interchange has no more free connections

Reason for the Error TNS-12229: TNS:Interchange has no more free connections

Cause: One or more Interchanges along the path to the destination desired has no more free connections available to be used for this call.

How to fix the Error TNS-12229: TNS:Interchange has no more free connections ?

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

Action: Try again later when the Interchanges are less busy, or contact your network administrator to have him determine which interchange it is, and increase the number of connections available on that interchange.