ESXi 4.1 to ESXi 5

I have ESXi 4.1 server. It has a Windows SBS 2K8 virutal machine running on it.  I want to install ESXi 5 on a totally different server and copy the current virtual machine to it.  Is there going to be any compatibility issues with the virtual machine being moved to ESXi 5 or do I need to P2V?
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
You will be able to move with no issue, as ESXi 5.0 supports, version 7 virtual machines.

You can optionally upgrade virtual hardware to v8, and upgrade tools if required.

You may find using VMware Converter completing a V2V a convienient way of transfer.

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Maen Abu-TabanjehNetwork Administrator, Network ConsultantCommented:
you need to convert your machine using vmware converter , even the machine was not working as virtual , you can recreate it again so as hanccocka said its support v7.
Darrell PorterEnterprise Business Process ArchitectCommented:
A version 7 virtual machine will run on ESXi5 with no issues.  If you want to convert it to a native version 8 machine for ESXi5, you can use vConverter to convert it.
If you don't have the utilities from VMware, you can use Veeam's Backup and Fast SCP to copy the SBS VMX and VMDK files over to the ESXi5 box, as long as the vm is shutdown on the ESXi4 box.
You should keep the SBS machine on the ESXi4 box until you are certain all is up and running correctly on your ESXi5 box.

Good luck!

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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
There IS NO need to complete ANY conversion.

If you have v7, you just select Upgrade Virtual Hardware. If you want to take advantage of v8 features.

Personally I would advise stick with v7, for a few weeks, and then upgrade if required, if you want new features.
Kerem ERSOYPresidentCommented:

Since you have your "virtual machine" it has its hardware "virtualized". It means that you can move it to any different hardware and any higher version with no issues. So the VMWare will be virtualizing for the Guest and it will think that it is still working over the same hardware.

aandoAuthor Commented:
Used the V2V method and the server moved slowly to the new one but it was sucessful.
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