Migrating VMs across vCenter from 4.1 to 6 .

Brahmjeet Singh
Brahmjeet Singh used Ask the Experts™
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I have one vCenter at New York location running with two 4.1 hosts and approx 70 VMs. I want to move these VMs to my other vCenter in New Jersey running with 4 Esxi Hosts on version 6x with 30 VMs.

What can be the best possible plan to migrate the VMs and later add the hosts if required?
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Commented:
Firstly your ESXi 4.1 hosts are NOT compatible with vCenter Server 6.x. To add them to a vCenter Server you will need to be at least on 5.0.

You can check here using the Matrix

https://partnerweb.vmware.com/comp_guide2/sim/interop_matrix.php#interop&2=431&1=

2017-11-09-23_05_15-VMware-Product-I.png
Back to your VMs, methods of Migration are

1. Export and Import

see my EE Article

Part 10: HOW TO: Backup (Export) and Restore (Import) virtual machines to VMware vSphere Hypervisor 5.1 for FREE

2. VMware Converter and create a V2V

HOW TO:  P2V, V2V for FREE - VMware vCenter Converter Standalone 6.1

HOW TO: FAQ VMware P2V Troubleshooting

I would actually recommend Vision Solutions Double Take MOVE

HOW TO: Migrate physical, virtual and cloud based workloads with real-time replication to VMware vSphere (ESXi) using Double-Take MOVE

3. Upgrade to a support version of ESXi, if hardware supports the version of ESXi.

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