How to fix the Oracle error PRVF-04663: Found configuration issue with the ‘hosts’ entry in the /etc/nsswitch.conf file?

In this post, you’ll learn more about the Oracle ErrorPRVF-04663: Found configuration issue with the ‘hosts’ entry in the /etc/nsswitch.conf file with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PRVF-04663: Found configuration issue with the ‘hosts’ entry in the /etc/nsswitch.conf file

Reason for the Error PRVF-04663: Found configuration issue with the ‘hosts’ entry in the /etc/nsswitch.conf file

Cause: The ‘hosts’ specifications in the /etc/nsswitch.conf file should specify ‘dns’ before ‘nis’ to ensure proper IP address to name mapping.

How to fix the Error PRVF-04663: Found configuration issue with the ‘hosts’ entry in the /etc/nsswitch.conf file ?

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

Action: Ensure that the ‘hosts’ entries across the cluster nodes define ‘dns’ lookup before ‘nis’ lookup.