How can I move the boot sector to another drive?

I finally used Easy BCD, which is free for personal use. The bcdboot method didn't work for some reason for me, the command exited sucessfully and copied files, but I still couldn't boot from c:.

Easy BCD has a "Change boot drive" option under BCD Backup/Repair, which worked in my case.

I believe the command you need is:

bcdboot c:\windows /s c:

It seems you describe the exact same issue that Scott Hanselman does in this blog post