How to fix the Oracle error ORA-12636: Packet send failed?

In this post, you’ll learn more about the Oracle ErrorORA-12636: Packet send failed with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12636: Packet send failed

Reason for the Error ORA-12636: Packet send failed

A process was unable to send a packet to another process. Possible causes are:

1. The other process was terminated.

2. The machine on which the other process is running went down.

3. Some other communications error occurred.

How to fix the Error ORA-12636: Packet send failed ?

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

If the cause is not obvious, contact Oracle Customer Support.