Veeam quick migration from Esx4 to ESX 5.5

I saw an article from Andy about quick migration using veeam -

http://www.experts-exchange.com/Software/VMWare/A_10718-HOW-TO-Live-Migrate-VMware-Virtual-Machines-between-ESX-ESXi-hosts-and-or-datastores-for-FREE-without-licenses-for-vMotion-or-Storage-vMotion.html 


What happens if the old server is a single ESX 4 host and uses DAS? Can I add new vcenter 5.5 and single ESX 4 host on Veeam and migrate VMs from ESX 4 DAS to new shared storage?
Did not get answer on existing forum, therefore, posting a new question.
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pchettriIT DirectorAsked:
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Veeam Quick will be able to migrate a VM from ESX 4.0 to ESX 5.5.

BUT, if you have vCenter Server, 5.5, why not add both hosts (providing compatible) to vCenter 5.5, and migrate the VM from Server A (ESX 4.0) to Server B. (ESXi 5.5)

What happens if the old server is a single ESX 4 host and uses DAS?

Direct Attached Storage is not an issue.
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pchettriIT DirectorAuthor Commented:
I have created cluster on 5.5 with three ESX host and it users VCSA. I don't think I can add old one on same cluster but I can certainly add the ESX 4 outside the cluster. But would the migration work, if ESX 4 uses DAS and ESX 5.5 has ISCSI SAN? Isn't shared storage a pre-requisite for S Vmotion?
I will have to decommission old server, as the DAS on old server already running with two disk failure.

I am planning to replace switches, UPS and rack new ESX this weekend. Before, I start to migrate ESX I would to make old ESX run on new switches. I don't want to take disk failure during power cycle therefore, I would at least take a veeamzip backup of existing VM.
I have installed Veeam on a physical server and it is connecting to existing host. Once the new ups and switches are up with existing ESX and once new ESXs and VCSA is up on network, then, I will start migration as second phase.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
You can certainly add a 4.0 host, to vCenter Server, it does not have to be in the cluster, and you can migrate VMs from it.

BUT, what version of 4.0 do you have, version is critical. Just checked, vCenter 5.5 supports ESX 4.0.

I have created cluster on 5.5 with three ESX host and it users VCSA. I don't think I can add old one on same cluster but I can certainly add the ESX 4 outside the cluster. But would the migration work, if ESX 4 uses DAS and ESX 5.5 has ISCSI SAN? Isn't shared storage a pre-requisite for S Vmotion?

Yes, migration will work, I'm not referring to Live Migration, vMotion or Storage vMotion, a COLD Migration.

If you want to do a Live Migration, your option is Veeam Quick Migrate! (if supported!). It states supported for ESX and ESXi 4.0 and ESXi 5.5.

Or, to migrate just to a Backup and then Restore the VM to new Servers.
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pchettriIT DirectorAuthor Commented:
I will test the quick migration with less critical system and do more critical system after taking a backup
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