How to fix the Oracle error INS-06101: IP address of localhost could not be determined?

In this post, you’ll learn more about the Oracle ErrorINS-06101: IP address of localhost could not be determined with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

INS-06101: IP address of localhost could not be determined

Reason for the Error INS-06101: IP address of localhost could not be determined

Cause: The localhost is not mapped to a valid IP address in Hosts file (Eg. /etc/hosts in Unix).

How to fix the Error INS-06101: IP address of localhost could not be determined ?

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

Action: Assign a valid IP address for the localhost or set it to loopback IP address (127.0.0.1 in IPv4 or ::1 in IPv6).