I don't normally advertise what's [hopefully] already known, but, 4.5 is a big step forward, and not just in the name change :) http://blogs.technet.com/smsandmom/archive/2007/11/12/microsoft-application-virtualization-4-5-is-open-for-public-beta.aspx...

Yes, When v4.5 is released we will support the client upgrade from 4.2 and respect the settings. [update 8th Nov] Ok, so what about your sequenced applications, will they work? Yes, we expect applications sequenced in 4.2 to work just fine on the new...

The recommended practice is to choose a virtual drive assignment and stick to it; commonly, this is drive Q: - so what happens if you want to change to something else, for example, V: If all applications were equal and followed recommended practice, then...