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change esxi hostname?

Anything to watch out for with changing esxi hostname?  Any common pitfalls?

http://www.vmwareandme.com/2015/02/How-to-Change-the-hostname-and-DNS-servers-of-an-ESXi-6.0-host.html#.V43ObGgrKCo
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Xetroximyn
Asked:
Xetroximyn
4 Solutions
 
Zephyr ICTCloud ArchitectCommented:
Here is the official VMware KB on it. If you follow that guideline there should be no issues, done it before.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Make sure you have a valid DNS FQDN for it.

It's not ideal, changing the name after adding to vCenter Server. I would remove from vCenter Server, and add back the FQDN.
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gheistCommented:
In ESXi6/vCenter6 you can do it with host profiles, i tried once and it still works after (name change included IP change, i dont know if that matters)
Most stable procedure is to remove ESXi from vcenter (maintenance mode/ disconnect/ remove from inventory/ reset configuration in ESXi screen) and completely re-type management network configuration.
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XetroximynAuthor Commented:
Make sure you have a valid DNS FQDN for it.

It's not ideal, changing the name after adding to vCenter Server. I would remove from vCenter Server, and add back the FQDN.

So perhaps scrap my vcenter server, then rename esxi, then redeploy new vcenter appliance?
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
As you have a new issue with vCenter Server - YES.

Remove ESXi from vCenter Server first, just to make it easier, and before you ask, this will not affect any running VMs.
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