How to fix the Oracle error ORA-15316: Previous client instance string has not fully exited.?

In this post, you’ll learn more about the Oracle ErrorORA-15316: Previous client instance string has not fully exited. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-15316: Previous client instance string has not fully exited.

Reason for the Error ORA-15316: Previous client instance string has not fully exited.

One or more processes from a prior instantiation of this client were not fenced.

How to fix the Error ORA-15316: Previous client instance string has not fully exited. ?

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

Make sure all processes belonging to the client instance exited. Check the client alert log and the trace file of the process that terminated the instance.