A reader has asked about how to add Windows XP to Windows 7 Boot Manager. Here are the steps. You do this when you cannot boot to Windows XP after installing Windows 7 or Windows Vista.
- Open an elevated command prompt.
- Type the following to create a boot loader for Windows XP.
bcdedit /create {ntldr} /d "Windows XP" - Type the following to set the device to where Windows XP is installed. I used D: in this example. Replace it with the drive letter of your XP installation.
bcdedit /set {ntldr} device partition=D: - Type the following to set the path.
bcdedit /set {ntldr} path \ntldr - Type the following to add this boot loader to the boot up screen.
bcdedit /displayorder {ntldr} /addlast - Reboot the computer.
[Update: 3/11/2009] Some readers have reported that they still have problems after following these steps. I have tried to reproduce the error and fix it. The error I got is different, but it’s similar in nature. Please see this post about how I fixed the problem.
[Update: 11/9/2010] I have a new post about doing this using EasyBCD.
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