SCVMM : Windows 7 Template Creation Error : –2147024864
Here are the Release Notes from the RC that discusses this issue. It’s about half way down under the System Preparation Tool section
http://download.microsoft.com/download/F/D/B/FDBFC5A5-51CD-4C8D-9F18-7BCC3810498E/Windows%207%20RC%20Release%20Notes.htm
SCVMM takes care of applying sysprep.
sysprep 1.1 is here:
http://www.microsoft.com/downloads/details.aspx?familyid=0C4BFB06-2824-4D2B-ABC1-0E2223133AFB&displaylang=en
and Server 2003 is here:
http://www.microsoft.com/downloads/details.aspx?familyid=93F20BB1-97AA-4356-8B43-9584B7E72556&displaylang=en
and XP is here:
http://www.microsoft.com/downloads/details.aspx?familyid=673A1019-8E3E-4BE0-AC31-70DD21B5AFA7&displaylang=en
But you most likely want the "Deployment Toolkit"
http://www.microsoft.com/downloads/details.aspx?familyid=3bd8561f-77ac-4400-a0c1-fe871c461a89&displaylang=en&Hash=HD%2f3UQpbIQnCaKf%2fth6Sfnc8bHXTDgeIgX6nNzQZVmYzRXFYx9%2bZHVDniseSpp6wwteVT%2bTXF6qj3bTF39cAsw%3d%3d