I'm currently taking care of backups for about 100 clients, and I'm really getting hammered with VSS issues. I've tried many different things, re-regsitering the VSS Dlls, reboots, patches, etc.
What I want to know: Where can I find some detailed, technical information about VSS.
try How Volume Shadow Copy Service Works
and for probably more than you ever wanted to know:
Volume Shadow Copy Service