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Should I be concerned about migrating an ESXi host that has the new vCenter Server Appliance on it that the ESXi host is being migrated to?

Posted on 2016-09-12
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Should I be concerned about migrating an ESXi host that has the new vCenter Server Appliance on it that the ESXi host is being migrated to? I can't find any documentation that would suggest this would be a problem as long as the host and its VMs meet all of the prerequisites according to this KB. I just want to make sure before I migrate this host. Thank you in advance for any help you can provide.
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Question by:Todd Willoughby
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LVL 123
ID: 41795087
So you have an ESXi host, which is currently hosting a vCenter Appliance VM ? - yes.

and this ESXi host is being managed by the appliance which it's hosting ?

and what are you doing with the ESXi host ?

Migrating the host where ?

or do you mean, you are about to add the Host to the Appliance? so it can be managed by vCenter Server.
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Author Comment

by:Todd Willoughby
ID: 41795155
Yes sir the ESXi host (we'll call it ESX03) is hosting the vCenter appliance (we'll call this one new vCenter).

ESX03 is currently managed by the old vCenter server; I want to migrate it to the new vCenter Server appliance. So I will be moving ESX03 from old vCenter to new vCenter; New vCenter is on ESX03.

I am adding ESX03 to new vCenter so I can manage it from there going forward. Thank you for helping me and let me know if you need any more info.
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LVL 123

Accepted Solution

by:
Andrew Hancock (VMware vExpert / EE MVE^2) earned 2000 total points
ID: 41795179
Okay, so remove your ESXi ESX03 host from old vCenter Server, before you add to the new vCenter Server.

and you can do this by logging into the ESXi ESX03 host directly using vSphere Client, and then click disassociate host from old vCenter Server on the Summary Page, bottom right.

and then connect to new vCenter Server, and click Add Host, follow wizard.

make sure new vCenter Server is the correct build to manage this version of host.
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Author Closing Comment

by:Todd Willoughby
ID: 41795235
Worked like a charm; thanks a lot!!!
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