How to fix the Oracle error CLSGN-00063: Server spawn failed: executable not accessible: directory: string file: string?

In this post, you’ll learn more about the Oracle ErrorCLSGN-00063: Server spawn failed: executable not accessible: directory: string file: string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

CLSGN-00063: Server spawn failed: executable not accessible: directory: string file: string

Reason for the Error CLSGN-00063: Server spawn failed: executable not accessible: directory: string file: string

The server program could not be accessed.

How to fix the Error CLSGN-00063: Server spawn failed: executable not accessible: directory: string file: string ?

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

Make sure the server executable exists and can be accessed by the user starting the program.