Cluster on Same Box (for educational/training purposes)

Is it possible to setup a second instance of SQL Server Enterprise on a box
and setup clustering? I have someone asking me that has only one Server to
do this with and they want to learn about Clustering.
Win2003 <-> Win2003 (SameBox)
OR
Can you run SQL Server on an XP machine and still setup clustering on a
Win2K03 Server and cluster the 2?
XP <--> Win2003 (Two Boxes)
Thanks
Erik
Cluster on XP <--> Win2003 (Two Boxes) -- No, the hardware needs to be
identical.
A better solution would be to run PC emulation software like VMWARE and
create a 2-node virtual cluster on one Windows 2003 computer.
Chris Skorlinski
Microsoft SQL Server Support
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