How to fix the Oracle error TNS-12529: TNS:connect request rejected based on current filtering rules?

In this post, you’ll learn more about the Oracle ErrorTNS-12529: TNS:connect request rejected based on current filtering rules with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

TNS-12529: TNS:connect request rejected based on current filtering rules

Reason for the Error TNS-12529: TNS:connect request rejected based on current filtering rules

Cause: Connection Manager and its listener were configured with filtering rules specifying that the connect request be rejected.

How to fix the Error TNS-12529: TNS:connect request rejected based on current filtering rules ?

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

Action: If this connect request should be allowed, then contact the administrator to modify the filtering rules.