When does the 21 day countdown start?
Introducing the SBS 2011 Migration Preparation Tool – The Official SBS Blog – Site Home – TechNet Blogs:
From the mailbag tonight… if I install the migration prep tool that must be run 14 days BEFORE I start the migration, does it start the 21 day clock?
The 21 days start only when your SBS 2003 sees another SBS box (the newly installed one) and has lost it’s FSMO roles (they got moved to the SBS 2011).
The bottom of the wizard now counts down your 21 days.