拔掉所有硬盘，只留一个要装系统的盘就可以装了。。。。。。。。。。。
http://163.20.121.131/wp/?p=138
https://social.technet.microsoft.com/Forums/office/en-US/a5938c21-77c3-401d-99bd-38e4135983ff/windows-is-unable-to-install-to-the-selected-location-error-0x80300024?forum=w7itproinstall
You said "I want it on Disk 0 so I can have a dual boot setup . I don't want to lose my original Vista Ultimate installation since this is not a production OS yet."
That is what you want. With all that space on discs x,y,z,etc,etc,etc. why don't you just install W7RC to disk1 or disc2? You would still have dual boot. Anyway, it worked for me. And I dual boot Vista Home Basic 32bit with W7RC Ultimate 64bit. Leave disc0 to Vista, I say.
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