Host management through a VSphere to another

Hi all

I recently installed a second server for VSphere (5.0) to replace our old one (3.5).

It is best to migrate the virtual machines outside the host, remove it from the old server VCenter and then attach it to the new server?

Can I leave the virtual machines on the host and always move the new VCenter Server?

I plan to install ESXi 5 on the hosts, once I get them managed by VSphere 5.0.

Your help is very appreciated.

I am going through the same pleasure!

First - make sure you have your license immediately square.  Not sure where you are coming, but I had to install FlexLM on my vCenter5 server and save the vi3 license files and make sure you vC5 saw and read them properly.

We're also changing the management network, so I created a 2nd console.

If the hosts are in a cluster, you must disable HA/DRS, evacuate the host in Maintenance Mode, pull the cluster host, get out of Maintenance Mode, you can push back the nonclustered host, repeat, until the cluster is empty.

Once all non-clustered hosts, you can remove the host of vCenter3 and add the host to vCenter 5, while the guests are still running.

Then reverse the steps to build your HA cluster in vCenter5.

Then you can alternate upgrade (new installation) hosts to vSphere 5.

Enjoy the ride!  ;-)

Tags: VMware

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