How to fix the Oracle error CLSGN-00088: Listen on string port number failed due to a lack of privileges.?

In this post, you’ll learn more about the Oracle ErrorCLSGN-00088: Listen on string port number failed due to a lack of privileges. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

CLSGN-00088: Listen on string port number failed due to a lack of privileges.

Reason for the Error CLSGN-00088: Listen on string port number failed due to a lack of privileges.

The server was unable to listen on the specified port because it does not have privilege to do so. On Linux and Unix systems, this can occur because the server is not running as the root user.

How to fix the Error CLSGN-00088: Listen on string port number failed due to a lack of privileges. ?

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

Run the server as a user with the needed privileges.