bitlocker error msg

[Kue2]

"Insufficient disk space for bitlocker drive encryption to encrypt the
drive."
The vista drive has 200g free space.
Anyone know why bitlocker is giving me this msg when I try to encrypt
drive????

 

[Guest]

Kue2,

Respectfully expressed, did you follow the Step-by-Step instructions for
activating BitLocker?

Do you have a special HDD partition at least 1.5 Gig for installing the
BitLocker Key Code?

If your answers are yes, follow the below Link for more Tech information
than you can imagine:

http://technet.microsoft.com/en-us/windowsvista/aa905065.aspx