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VMware: “Datamigration” vSphere 4.1 to 4.1 is not supported

We got some problems in the datacenter with the virtual vCenter 4.1 server and decided to revert to a physical machine again to run vCenter.

After some good experience with the VMware Datamigration tool I tried to use this option again to migrate the 4.1 vCenter/VUM database + settings to the new host.. but… it’s not supported!


[ERROR] vCenter Server version not supported
[WARNING] vCenter Server does not satisfy migration prerequisite

Too bad!


Sander Daems is founder and author of this blog and working as a Lead (Sr.) Consultant by UNICA ICT Solutions. Sander has over 15 years experience in IT, primary focus: virtualization and modern worksplace.

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  1. michael
    September 22nd, 2010  (Quote) at 14:29  (Quote) | #1

    Thanks for sharing. Good to know.

  2. September 24th, 2010  (Quote) at 18:00  (Quote) | #2

    Pretty nice post. I just stumbled upon your blog and wanted to say that I have really enjoyed browsing your blog posts. In any case I’ll be subscribing to your feed and I hope you write again soon!

  3. martin
    October 4th, 2010  (Quote) at 10:01  (Quote) | #3

    How do you migrate back to a physical machine the best way?

  4. October 4th, 2010  (Quote) at 10:11  (Quote) | #4

    martin :

    How do you migrate back to a physical machine the best way?

    Hi Martin,

    – Best practice is backup database and restore/copy .mdf and .ldf to new server;
    – Create ODBC;
    – Install vCenter on new server, select use existing database + do not overwrite;
    – Copy SSL certificates from original vCenter to new vCenter server;
    – Edith the host to connect the right vCenter (by putty/console);
    – Bring vCenter server online;

    Thats all

  5. October 7th, 2010  (Quote) at 01:02  (Quote) | #5


    will this also retore the resource pools from the VM to physical

  6. October 7th, 2010  (Quote) at 08:41  (Quote) | #6

    Hello Alex,

    Yes, Resource pools are including. What you see in vCenter 4.0 you will get in vCenter 4.1 (Recourse Pools, User Datacenter/Cluster/Folder Rights, Cluster HA/DRS settings etc.)

  7. maria andros
    December 7th, 2010  (Quote) at 16:50  (Quote) | #7

    Great work keep it coming

  8. May 27th, 2016  (Quote) at 10:31  (Quote) | #8

    Pretty! This was an incredibly wonderful post. Thanks for providing this info.

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