Windows Legacy OS forum

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How to set Dual Boot for - Windows XP and Windows 7 ?

by jovesharma / September 17, 2011 3:02 AM PDT

I want to set Dual Boot for - Windows XP and Windows 7 ?

Can anyone please tell me how to do this?
Is there something using boot.ini?

Earlier I was using WIndows XP Dual Boot, where I was able to modify the selection preference from 1st Windows XP to 2nd Windows XP via boot.ini

But there is no boot.ini in windws 7.

I want WIn 7 and XP both to come as option when I start my PC.

How to do this?

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As there are so many web pages on this.
by R. Proffitt Forum moderator / September 17, 2011 3:14 AM PDT
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The important thing to remember is
by MarkFlax Forum moderator / September 17, 2011 3:14 AM PDT

Install the older OS first, then the newer.

You're right, Win 7 does not use boot.ini. Instead it uses a BCD, (Boot Configuration Data). By installing Win 7 last, the Win 7 setup procedure will recognise that there is a partition or drive with XP on it, and will delete the boot.ini and replace it with the BCD. That BCD will be installed on the partition/drive where XP is and that allows dual boot.

If you did it the other way, Win 7 followed by XP, XP would also recognise the Win 7 install but would overwrite the BCD with a boot.ini. You might still get the dual boot menu, but Win 7 would not load.

Mark

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