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Eprs_Admin
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vmware upgrade to 5

Hi Experts,

I have a system running with vmware vsphere 4.1
When we want to upgrade to version 5, what is the best way ?

Can I use the update manager or do I have to install the ESXi5 version new ?
VMwareVirtualizationWindows Server 2008

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Andrew Hancock (VMware vExpert PRO / EE Fellow/British Beekeeper)

8/22/2022 - Mon
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Andrew Hancock (VMware vExpert PRO / EE Fellow/British Beekeeper)

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Eprs_Admin

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ok I understand, how to upgrade the vcenter first ?
Is it again an new installation and configuration ?
And what about the backup and restore of the configuration ?
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Eprs_Admin

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I don't need this data.
My system is small with 3 hosts and 20 vm's

But when I install from scratch, what about backup the configuration ?

Now I have just Win2008 Servers, not R2.
Can I go on with this ?
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Eprs_Admin

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ok, I can use just win server 2008, right ?
then later I need to change the ip, is it also possible ?

Can I backup my configuration and import later to the new installation ?
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Eprs_Admin

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Hi, the vmware support told me it is also possible to install the vcenter over the existing one, right ?
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Eprs_Admin

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and what about the version 5.0 ?
Is there also a problem making a in place upgrade from 4.1 to 5.0 ?
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Eprs_Admin

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ok, I understand all about clean installations.
But what about my whole configuration inside vcenter ?
is there a way just to back it up and restore on the new server ?
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Eprs_Admin

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ok, so I can make a in place upgrade from 4.1 to 5.0
And after it I can go from 5.0 to 5.1 with the update manager ? without problems ?

In case I go for a new installation, what is the best way, because I don't want to configure all new, the vswitches, etc.
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Eprs_Admin

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ok, so far I just upgrade to 5.0
I go for a new installation of vcenter 5.0
Do I still keep my configuration ? I mean networks, storage, vswitches etc.?

Or do I have to backup something from the old vcenter4.1 ?
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Eprs_Admin

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ok,
when I unistall my vcenter then I will not loose my configs, because they are on the hosts.
right ?

Then I install the new vcenter 5.1 and later I can add my hosts again and all configs are available again, right ?
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Eprs_Admin

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But what about my vm's ?
When I remove the hosts, do I have to shut down all ?
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Eprs_Admin

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which data I have to put for the SSO ?
coolsport00

@Eprs_Admin - I believe we have fully answered your initial query in this post. If you have further questions specific to your upgrade, you should really post a new question, as that is what is required by EE Rules. Apologies...

~coolsport00
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Eprs_Admin

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yes you answered nearly all questions, but some is not clear.

When I have to remove all hosts, from vcenter, but my vcenter is on a vm.
How to to go on with this ?
Andrew Hancock (VMware vExpert PRO / EE Fellow/British Beekeeper)

It does not matter, whether the VM is virtual or physical.

Use the vSphere Client, as you currently do, connect to vCenter Server.

Right Click Host - Remove!

Repeat for other hosts.

This just stops an error message later, which would say this host is already added to vCenter 4.1, when you add to your new vCenter Server 5.x!