Posted under Windows 7
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Tags Gotcha, Tip, Windows64bit, Windows7
Update 3/2/2012
One note to be aware of when doing this is that depending what other upgrades have been done, it may also be necessary to reset the boot order in the bios. Failure to do this may mean that the Windows boot manager on an old hard drive may still be presented at boot time even though bcdboot has run correctly as per the process below.
In my case, resetting the boot order solved the issue and boots were then done entirely from the SSD. I still had the option to boot from the other system by using the bios boot manager to pick the other hard drive to boot from.
Original Post
I needed to do this after installing Windows 7 64bit on an SSD, when I already had A Windows 7 installation on another HD.
I wanted the SSD to be the active partition/primary boot device – perhaps I should have made it the active partition in disk manager before installing but anyway I did not.
The install therefore kept the HD as the boot dev and installed a boot menu on it. The boot files were missing from the SSD. These can be added via the bcdboot utility as follows :-
>bcdboot c:\windows /s c:
This had to be done from an elevated privilege command prompt (right click command prompt option or icon, run as administrator).
Microsoft information on bcdboot may be found here.
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