How to fix the Oracle error PRCD-01117: Failed to modify service {0}, the service should have at least one preferred instance?

In this post, you’ll learn more about the Oracle ErrorPRCD-01117: Failed to modify service {0}, the service should have at least one preferred instance with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PRCD-01117: Failed to modify service {0}, the service should have at least one preferred instance

Reason for the Error PRCD-01117: Failed to modify service {0}, the service should have at least one preferred instance

Cause: An attempt was made to remove all preferred instances of the service.

How to fix the Error PRCD-01117: Failed to modify service {0}, the service should have at least one preferred instance ?

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

Action: Make sure that there is at least one instance provided in the service preferred instance list.