http://blogs.msdn.com/ankur/archive/2005/11/26/497126.aspxWhy incremental migration? Case 1: Migration takes a lot of time so I will migraqte a copy of my VSS repository and continue working on the original. after migration of copy I will migrate the delta between original and copy. Case 2: Migration was stoppeden-USCommunityServer 2.1 SP1 (Build: 61025.2)