ESXi 4.1 VADP CBT and windows dynamic disks

Hello,

I thought I read somewhere that using CBT via VADP on Windows machines with dynamic disks is problematic.  All I can find is this blog article:

http://www.vmguru.com/articles/data-protection/8-vmware-vss-explained

Can someone point me to a VM KB article or official note about these issues?

Thanks!