The one about declarative configuration :-) This is a multi-part class that should be viewed as part of its playlist, https://www.youtube.com/playlist?list=PLlVtbbG169nFq_hR7FcMYg32xsSAObuq8 Materials for the class available at https://github.com/johnthebrit/PowerShellMC 00:00 Introduction 00:20 Why is DSC needed 02:17 DSC overview 03:38 Regular imperative PowerShell 05:14 Declarative PowerShell DSC 06:50 Phases of DSC 08:23 Models of using DSC 08:56 Configuration resources 10:00 DSC Resource Kit 11:53 DSC configuration format 13:08 Basic DSC usage 24:13 Compliance of DSC 25:14 DSC for any machine 26:34 Controlling local configuration manager refresh 28:14 File configuration resource 30:00 DSC in Azure 33:44 Troubleshooting 34:43 One configuration per machine 36:23 Coming up next