You can activate your license twice - but only run one machine at a time.
If you did not intend to burn one of your two activations - you should have used the license transfer utility.
![License Transfer Utility.png License Transfer Utility.png](https://forums.autodesk.com/t5/image/serverpage/image-id/150503i7ACF75B9C35A1EE4/image-size/original?v=mpbl-1&px=-1)
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