How to fix the Oracle error PRCD-01156: Failed to convert the configuration of cluster database {0} into its equivalent configuration for RAC One Node database due to its services {1} having {2} TAF policy?

In this post, you’ll learn more about the Oracle ErrorPRCD-01156: Failed to convert the configuration of cluster database {0} into its equivalent configuration for RAC One Node database due to its services {1} having {2} TAF policy with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PRCD-01156: Failed to convert the configuration of cluster database {0} into its equivalent configuration for RAC One Node database due to its services {1} having {2} TAF policy

Reason for the Error PRCD-01156: Failed to convert the configuration of cluster database {0} into its equivalent configuration for RAC One Node database due to its services {1} having {2} TAF policy

Cause: This database has services that have TAF policy (e.g. PRECONNECT) that is not supported by RAC One Node Database.

How to fix the Error PRCD-01156: Failed to convert the configuration of cluster database {0} into its equivalent configuration for RAC One Node database due to its services {1} having {2} TAF policy ?

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

Action: Either modify the TAF policy of these services to either BASIC or NONE using ‘srvctl modify service’ or remove these services using ‘srvctl remove service’ and then retry.