VMware to Proxmox

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BakiHI

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Jul 2, 2025
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Hello everyone,

I am apart of an IT Services Company for small and medium-sized businesses. Currently, the virtual environments of all our customers are running on VMware ESXi.
Due to recent developments in licensing and pricing from Broadcom, we are evaluating alternatives and are strongly considering Proxmox VE as a future platform for our customers.
If anyone here has experience migrating from ESXi to Proxmox, we would highly appreciate your feedback, advice, or tips.
Especially regarding the following topics:

-Offline migration (Downloading VM-Files, deleting ESXi, installing Proxmox and importing the VM-Disks on the same physical server)?
-Reliable software to convert .vmdk/.vmx to .qcow2?
-If Proxmox offers anything resembling VMwares vCenter?

Thank you in advance for sharing your experiences!
 
Hi @BakiHI , welcome to the forum.

You may find these resources helpful in your journey:
https://www.proxmox.com/en/services...vironment/proxmox-ve-import-wizard-for-vmware
t.lamprecht

Thread 'New Import Wizard Available for Migrating VMware ESXi Based Virtual Machines'

We are proud to announce the first release of our new integrated import wizard!

Proxmox VE now provides an integrated VM import wizard re-using the storage plugin system for native integration into the API and web-based user interface. You can use this to import VMware ESXi VMs as a whole, with most of its config mapped to Proxmox VE’s config model and reduced downtime.

gui-import-wizard-general.png

Video tutorial
https://youtu.be/8Z9Zvt2RxlA

Documentation
For more details see the reference docs and the updated "Migrate to Proxmox VE" wiki article, which provides a...
  • Like
https://www.youtube.com/watch?v=H1t6hxCoiZw

t.lamprecht

Thread 'Proxmox Datacenter Manager - First Alpha Release'

We’re excited to announce the alpha preview of Proxmox Datacenter Manager! This is an early-stage version of our software, giving you a first impression at what we’ve been working on and a chance to collaborate.

What's Proxmox Datacenter Manager?
The Datacenter Manager project has been developed with the objective of providing a centralized overview of all your individual nodes and clusters. It also enables basic management like migrations of virtual guests without any cluster network requirements.

The project is fully developed in the Rust programming language, from the...
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P

Thread 'Import vmdk'

Hy,

I'm trying to covert my VMWare VM's to Proxmox. I've copied the vmdk to the Proxmox Server an tried to import with
Code: 
root@proxmox:~# qm importdisk 105 oracle_webserver_17-flat.vmdk local -format qcow2
but I get this
Code: 
storage local does not support vm images
error.
44642701io.png

Can please anyone help me or give me a hint? Thanks....


Blockbridge : Ultra low latency all-NVME shared storage for Proxmox - https://www.blockbridge.com/proxmox
 
Hi,
I've miragte from ESXi6 to Proxmox. I searched some time to do the same thing your company is planning, but I couldn't find a proper solution for migration and especially for converting.

I used an old server and a NAS for migration. Install proxmox on the Server or computer and add the NAS as storage.

Now you can add the ESXi in the proxmox datacenter and you could easily migrate the vm.

After migrating the alle the vm's, reinstall proxmox on the vmware server and add the NAS as storage. Move the vm's back and reconfigure the network settings.
 
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