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Esxi not detected for upgrading from 5.0 to 5.5

Posted on 2014-02-24
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Last Modified: 2014-02-25
I upgraded 1 of 2 hosts just fine, but the second does not recognize that Esxi is installed on either virtual disk.
When using an ISO to upgrade the server, it wants to do a clean install. I have a lot of configurations with ISCSI and vmotion networking, that I really do not want to replicate with a clean install if I don't have to.

I am going from version 5.0.0 build 469512 to esxi 5.5.

Any ideas on anything I can look at to see why it is not recognizing that it is installed (Installed on 1st Virtual disk)
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Question by:BKennedy2008
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Author Comment

by:BKennedy2008
ID: 39883762
I also tried from 5.0 to 5.1 and is not recognized either
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Author Comment

by:BKennedy2008
ID: 39883798
Just noticed that the datastore that the ESXi is installed is at VMFS3. DO I need to upgrade that store to version 5 prior to upgrading the ESXi
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Author Comment

by:BKennedy2008
ID: 39883847
Upgraded to vmfs5 and still same results. Will do fresh install tomorrow if no ideas
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Accepted Solution

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Andrew Hancock (VMware vExpert / EE MVE^2) earned 500 total points
ID: 39883880
You do not have to upgrade VMFS from 3.0 to 5.0,

I'm afraid this happens sometimes, and you will need to do a fresh virgin installation.

But to be honest a FULL New Install, is better than an upgrade, carrying the old baggage.

It should not take very long to setup the host again from memory or documentation.

If you've not done it yet, take screenshots to aid you.
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Author Comment

by:BKennedy2008
ID: 39883891
I did- Thanks. Seems like it will be the route I will take.
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LVL 120
ID: 39883933
Just check your hardware is supported for ESXi 5.5, requriements have changed, especially with the CPUs.
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Author Comment

by:BKennedy2008
ID: 39883968
Good to go, thanks. Have 2 Exact same servers. Just weird 1 did not want to do an upgrade.

Thanks
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LVL 120
ID: 39884014
Try my article, and do, an offline upgrade, if you want to try....

HOW TO: Upgrade from VMware vSphere Hypervisor ESXi 5.1 to VMware vSphere Hypervisor ESXi 5.5 for FREE

The above instructions also work for 5.0!
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Author Comment

by:BKennedy2008
ID: 39885219
I have not dived into it yet, but would like to see an article on deploying the add-on VUM.
I will try out the command line upgrade.
thnks
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