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ts11

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Uninstalling VCenter with managed hosts?

HI,

I have vcenter 5.5 installed, but it's crashed and won't start.  I want to do a reinstall as advised by our support.  This is basically to give us a fresh database.

But I have a question I'd like a second opinion on: If I uninstall the vcenter even though we have a couple of hosts attached to it (in a cluster) will we run into issues?

Thanks
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Avatar of Andrew Hancock (VMware vExpert PRO / EE Fellow/British Beekeeper)
Andrew Hancock (VMware vExpert PRO / EE Fellow/British Beekeeper)
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ts11

ASKER

Thanks.  The current installation is very basic, just vcenter with update manager and two hosts.

I would like to remove the hosts before uninstalling, but vcenter crashed and won't start, as per my OP.

Good to know it won't be an issue.  Thanks.
Connect to each host with vSphere Client and dissociate them from vCenter Server.
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ASKER

I wasn't aware that was possible to do in the vsphere client connecting directly to a single host? My hosts are running 4.1 if that makes a difference.

If I read your early post right, it will be fine to just do a straight uninstall?
Yes, fine to complete an uninstall.

Yes you can connect directly to any ESX/ESXi server with the vSphere Client.
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ASKER

Ok, thanks.

Sorry, my question wasn't clear.  I meant to say "I wasn't aware it was possible disassociate a host from vcenter by connecting to the host directly?" Is there an option in vsphere client to do that?
Yes, connect directly to the ESXi host using the vSphere Client.

On the Summary Page (first page), Bottom Right, there is a link

Disassociate Host from vCenter Server - click it,
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ASKER

The Host Management part? Only has the option to reconnect - does this mean it's already done it? I've attached the screenshot.
hostvsphere.PNG
Yes, it does.

It could be your server has failed, and it's no longer commuincating with the ESXi host.

Hence it's in a disconnected state.

It would normally show, if connected...

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ASKER

Yes, the vcenter service itself crashed which is why I need to reinstall it.  Happy that our hosts won't be affected by this.  Will do this tomorrow then close the thread once complete :)
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ASKER

Just got prompted with this as the install was about to complete.  I'm using a fresh db, so I assume its ok to proceed without affecting any other operations?
vcenterinv.png
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ASKER

went ahead with it and it's fine.  thanks.