How to fix the Oracle error NNC-00430: Database not accessible?

In this post, you’ll learn more about the Oracle ErrorNNC-00430: Database not accessible with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

NNC-00430: Database not accessible

Reason for the Error NNC-00430: Database not accessible

Cause: When a database is used for consistency between different nameservers, any modify operation should not only modify the cache but also the database. And if the database is not accessible, this error occurs.

How to fix the Error NNC-00430: Database not accessible ?

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

Action: Not normally visible to the user, except when using the name server control program. If the error occurs when using the control program, make sure database is available and then re-execute the operation. If error persists, contact Worldwide Customer Support.