How to fix the Oracle error PRCD-01186: TAF policy ‘PRECONNECT’ cannot be used to add a service for single instance database {0}?

In this post, you’ll learn more about the Oracle ErrorPRCD-01186: TAF policy ‘PRECONNECT’ cannot be used to add a service for single instance database {0} with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PRCD-01186: TAF policy ‘PRECONNECT’ cannot be used to add a service for single instance database {0}

Reason for the Error PRCD-01186: TAF policy ‘PRECONNECT’ cannot be used to add a service for single instance database {0}

Cause: Failed to create a service because provided TAF specification can not be used with a single instance database.

How to fix the Error PRCD-01186: TAF policy ‘PRECONNECT’ cannot be used to add a service for single instance database {0} ?

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

Action: Retry after removing ‘PRECONNECT’ TAF policy.