preferredMaintenanceWindow

The weekly time range during which system maintenance can occur for the DMS Serverless replication, in Universal Coordinated Time (UTC). The format is ddd:hh24:mi-ddd:hh24:mi.

The default is a 30-minute window selected at random from an 8-hour block of time per Amazon Web Services Region. This maintenance occurs on a random day of the week. Valid values for days of the week include Mon, Tue, Wed, Thu, Fri, Sat, and Sun.

Constraints include a minimum 30-minute window.