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VMware: Easy upgrade to vSphere ESXi 5.1



– Press [Enter] to continue


– F11 Accept and Continue



– Select the correct disk and press [Enter] to continue



– Select the correct option ( Upgrade ESXi / Install ESXi, preserve VMFS / Install ESXi, overwrite VMFS) and press [Enter]



– Confirm the upgrade (in my case) and press F11 to Upgrade



– The upgrade process is finished, dismount the ISO and reboot the host




The host is back online again and the upgrade is finished, build number: 799733 Smile


Sander Daems is founder and author of this blog and working as a Lead (Sr.) Consultant by UNICA ICT Solutions. Sander has over 15 years experience in IT, primary focus: virtualization and modern worksplace.

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  1. Arjan Loemps
    September 17th, 2012  (Quote) at 21:57  (Quote) | #1

    Indeed versy simple 🙂

  2. Peter Dems
    September 18th, 2012  (Quote) at 06:06  (Quote) | #2

    Hm I saw you’re HP DL360 G5 host… and that serie isn’t supported anymore for ESXi 5.1

  3. Jennifer
    September 18th, 2012  (Quote) at 08:54  (Quote) | #3

    Good raed!

  4. The Google Man
    September 18th, 2012  (Quote) at 12:00  (Quote) | #4

    Bedankt voor het online zetten van de stappen, lijkt erop dat nu niets mis kan gaan

  5. Jerry Hamed
    September 18th, 2012  (Quote) at 18:34  (Quote) | #5

    Also upgraded, no special things

  6. Svirgoli
    May 12th, 2013  (Quote) at 18:11  (Quote) | #6

    Upgraded to 5.1 update 1! Thanks for the post.

    A question: how can upgrade my datastore from vmfs 5.54 to 5.58? I don’t see any things for to do it.

    thanks again.

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