Please confirm you are running version 7.0.0.690, 7.0.0.715, 7.0.0.764, 7.0.0.771, 7.0.0.833, 7.0.0.839 or 7.0.0.870 prior to installing this patch. You can check this under Help | About in Veeam Backup & Replication console.
After upgrading, your build will be version 7.0.0.871