How to fix the Oracle error RDE-00040: invalid search domain: “string”?

In this post, you’ll learn more about the Oracle ErrorRDE-00040: invalid search domain: “string” with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

RDE-00040: invalid search domain: “string”

Reason for the Error RDE-00040: invalid search domain: “string”

Cause: The name of the domain searched by the service was not in the correct format.

How to fix the Error RDE-00040: invalid search domain: “string” ?

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

Action: Use the correct domain name format. A domain is a series of one or more alphanumeric characters.