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

In this post, you’ll learn more about the Oracle ErrorORA-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

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

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

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

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

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

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