How to fix the Oracle error NNC-00411: invalid default domain name “string”?

In this post, you’ll learn more about the Oracle ErrorNNC-00411: invalid default domain name “string” with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

NNC-00411: invalid default domain name “string”

Reason for the Error NNC-00411: invalid default domain name “string”

Cause: The names.default_domain parameter in sqlnet.ora is invalid.

How to fix the Error NNC-00411: invalid default domain name “string” ?

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

Action: Make sure the parameter value is a valid global name. See your documentation for the characters which may be used in a global name.