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Adding ESXi V5.5 to vSphere V5

Posted on 2013-12-19
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Last Modified: 2013-12-19
Adding New Host Add New Host FinishHost DisconnectedDowngrade LicenseI have VMWare box with ESX V5 and I have been managing a couple of hosts thru vSphere V 5.0.
When I just tried to add a new Host w/ ESXi V5.5, I got an error "Disconnected" (please see the screenshots) and later on, the new host disappeared from vSphere Client.

Can you help?

Edited: Andrew Hancock aka hanccocka
VMware Zone Advisor
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Question by:sglee
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Andrew Hancock (VMware vExpert / EE MVE) earned 310 total points
ID: 39730453
If you have ESXi 5.5 IT MUST be managed by vCenter 5.5.

Are you using VMware vSphere vCenter Server 5.5 ? vCenter Server 5.5 can manage ESXi 4.x, 5.0, 5.1 and 5.5.

But vCenter 5.0 cannot manage ESXi 5.5.

Support Matrix is here

http://partnerweb.vmware.com/comp_guide2/sim/interop_matrix.php
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by:sglee
ID: 39730475
vCenter ServerYes I do have vCenter 5.0. When I download vCenter V5.5, I have two questions.
(1) Do I need to uninstall v5 and install V5.5?
(2) After installation of vCenter V5.5, do I enter the same license key (given when I purchased vCenter 5) in the vSphere client?
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by:Andrew Hancock (VMware vExpert / EE MVE)
Andrew Hancock (VMware vExpert / EE MVE) earned 310 total points
ID: 39730489
1. Upgrade to vCenter 5.5 is supported from vCenter 5.0.

2. Upgrade will maintain all the License Keys.

Now, be warned Upgrades of vCenter 5.0 to vCenter 5.5, do go wrong! and the result is you will not be able to login to the new vCenter 5.5 server. (this does not affect VMs!)

So you may want to consider Upgrade versus New Installation.
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by:sglee
ID: 39730498
"be warned Upgrades of vCenter 5.0 to vCenter 5.5, do go wrong! and the result is you will not be able to login to the new vCenter 5.5 server. " ---> I will uninstall existing vCenter V5 and install V5.5 then.
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ID: 39730518
It's often the best method....
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