How to fix the Oracle error CLSGN-00174: Packet replay detected – dropping connection.?

In this post, you’ll learn more about the Oracle ErrorCLSGN-00174: Packet replay detected – dropping connection. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

CLSGN-00174: Packet replay detected – dropping connection.

Reason for the Error CLSGN-00174: Packet replay detected – dropping connection.

GNS received a duplicate packet from a client. The connection was dropped as a consequence.

How to fix the Error CLSGN-00174: Packet replay detected – dropping connection. ?

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

Examine the trace file for details. It is possible that a malicious user is attempting to send an invalid packet to GNS.