We have been using 11d successfully for quite some time now.  Last week, we installed Storage Foundation on the server and set it up to manage one RAID5 volume (E:\).  Since that time, we have been getting 100% failures on our backup jobs for C:\, D:\ , Shadow?Copy?Componets and System?State.  We are getting the following error message:

V-79-57344-34110 - AOFO: Initialization failure on: "Shadow?Copy?Components". Advanced Open File Option used: Microsoft Volume Shadow Copy Service (VSS).
VSS Snapshot Error.  The Microsoft Volume Shadow Copy Service (VSS) snapshot provider that you selected does not support snap technology for this volume.  Select another snapshot provider, and then run the job again.

I tried switching to the Storage Foundation snapshot provider, and got the identical errors.  Any ideas on this?  Thanks so much!