Windows 2008/R2 “Windows could not prepare the partition…”

  • Server 2008 and/or R2

On the Windows 2008 disk partition install, I get the error “Windows could not prepare the partition selected for installation”.

  1. Boot to Command Prompt and type in the following
  2. diskpart
  3. list disk
  4. select disk <disk number>
  5. detail disk
  6. select volume <volume number>
  7. delete volume
  8. Repeat steps 3 through 7 for every disk/volume you have then in the command prompt type the following
  9. select disk <disk number>
  10. convert basic
  11. repeat steps 9 through 10 for every disk
  12. exit
  13. reboot and start the installation again.

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