Applies to ONTAP 9 Answer Renewing expired certificates will not have any impact as they are already expired. Renewing the certificates which are going to expire, it can be disruptive because the proc...Applies to ONTAP 9 Answer Renewing expired certificates will not have any impact as they are already expired. Renewing the certificates which are going to expire, it can be disruptive because the process of replacing the old certificate with a new one may temporarily interrupt connections or services that rely on the certificate for authentication, potentially causing downtime while the update is applied.