Windows 7 Interview Question:

In which of the following scenarios must you perform a migration rather than an upgrade?
A) Windows Vista Business (x86) to Windows 7 Pro (x86)
B) Windows XP Pro (x64) to Windows 7 Pro (x64)
C) Windows Vista Home Premium (x86) to Windows 7 Home Premium (x86)
D) Windows Vista Enterprise (x64) to Windows 7 Enterprise (x64)

Submitted by: Muhammad

Windows XP Pro (x64) to Windows 7 Pro (x64).
Reason:
You can not upgrade from Windows XP to Windows 7, you must migrate.
Submitted by: Muhammad