In this post, you’ll learn more about the Oracle ErrorORA-12576: TNS:handoff not supported for this session with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-12576: TNS:handoff not supported for this session
Reason for the Error ORA-12576: TNS:handoff not supported for this session
Handoff of a established session was attempted which either had tcps as its transport or NA options were enabled for this session.
How to fix the Error ORA-12576: TNS:handoff not supported for this session ?
You can fix this error in Oracle by following the below steps
Check the transport setting as well as NA options. If error persists, contact Oracle Customer Support.