MySite Cleanup Powershell commands
The current MySite Cleanup process is a black-box and often fails for various reasons. If it doesn't find a manager or secondary contact, the job just stops.
Option 1: Fix the black box so it sets the MySite deletion timer even when there is no manager or secondary contact.
Option 2: Create commands enabling admin to assign a delegate and start the timer on site deletion, or just start the deletion timer
Option 3: Expand the Site Closure policy to include the criteria option for 'MySite Owner no longer a valid user'