Using Virtual PC for computer migration

Using Virtual PC for computer migration

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One cool use of Virtual PC is as a 'backup' during a physical computer migration.  An example of this would be my wife's computer.  Generally speaking - my wife does not let me touch her computer - as I have a tendency to break things.  But every now and then it comes time to perform a major upgrade (such as I have just done over the past weekend).  The problem with this is that my wife is in to genealogy - and uses a whole bunch of custom applications that I know nothing about - and that she would be very upset about if I did not migrate them successfully.  The solution?  Use Virtual PC!

What I do is:

  1. Setup the new computer with Windows, virtual PC, and as many of her applications that I know about
  2. Take the hard disk out of her old computer and attach it to the new computer
  3. Boot up the new computer
  4. Go into the Disk Management tool under Windows (Control Panel --> Administrative tools --> Computer Management -->  Disk Management)
  5. Select to remove the disk letter from the hard disk from the old computer
  6. Start Virtual PC
  7. Use the Virtual Hard Disk wizard to create a linked virtual hard disk pointing to the hard disk from the old computer
  8. Then use the Virtual Hard Disk wizard to convert the linked virtual hard disk to a dynamic virtual hard disk
  9. Wait a long time (usually 2 to 3 hours)

    1. Any anti-virus software should be disabled for this step - otherwise it will take a lot longer

  10. Create a new virtual machine that points to the new virtual hard disk
  11. Boot up the virtual machine and confirm that everything works

    1. There are a few things that can cause this to fail - and I will discuss them in further depth in coming posts

  12. Install the Virtual Machine Additions and shutdown the virtual machine
  13. Shutdown the new computer and remove the old disk

Once this is done - I can begin migrating data and application information from the virtual machine to the physical computer over the network.  But the best thing is that I can tell my wife that if a program doesn't work during the day - she should launch the virtual machine and use it there for now.  Then when I get home from work - she can tell me about it and I can fix it then.

Also - this allows me to harvest her old computer for parts much more quickly :-)

Cheers,
Ben

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  • This is some really great information! I can't say that I fully understand everything you've written, since my experience with the Virtual Hard Disk Wizard is nil, but it sounds good.

    Are instructions such as these on the Microsoft.com web site or anywhere else, or do I have to make a copy of this blog posting?

    Bill
  • Hi Bill,

    There are bits and pieces documented here and there - but I do not beleive that we have a complete coherent document on using Virtual PC in this way.

    Cheers,
    Ben
  • Hello, I have a windows Nt 4 Server with the motherboard broken and i think how can i add this SCSI disk to a Virtual Server to make a Virtual HD. Thanks for your time.
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