License error: 5 when adding vSphere 6 license to vCenter 5.x

By | March 25, 2015

Quick post.

This may be known to others, but since it’s been a few years since the last major vSphere came out,  I’m sure some others will run into this.

 

If you buy NEW licenses, they will come as vSphere 6, which is incompatible with a vCenter 5.

If you try to add the license you will see this error:

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In order to fix the issue you need to downgrade the vSphere license

Go to the license portal, choose “I want to downgrade” and select the vSphere 6 license

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Select the appropriate number cpus to change (in this case 4) and choose check the box

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Pretty straightforward thing to do, just something that you may overlook as VMware moves on with new licenses while you are holding off on updating to the latest hotness.

5 thoughts on “License error: 5 when adding vSphere 6 license to vCenter 5.x

  1. Win

    After the key has been downgraded can we later use the original v6 key for a new server?

    Reply
    1. Chris Post author

      That would be violating your licensing agreement. When you downgrade it says that you must destroy the old keys

      Reply

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