How to fix the Oracle error NNL-00016: cannot start server, error getting program directory’s name?

In this post, you’ll learn more about the Oracle ErrorNNL-00016: cannot start server, error getting program directory’s name with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

NNL-00016: cannot start server, error getting program directory’s name

Reason for the Error NNL-00016: cannot start server, error getting program directory’s name

Cause: The user issued a STARTUP request, but the control program was unable to start the server because it was unable to find the name of the directory where the server executable resides.

How to fix the Error NNL-00016: cannot start server, error getting program directory’s name ?

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

Action: An internal error not normally visible to the user. Contact Worldwide Customer Support.