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The secure storage for a Sentinel software license is on the hard drive of the computer on which the license is installed. Restoring a system from backup or copying the software license on another host will most likely invalidate this storage and with it the software license - even though none of the documented parameters for cloning detection have changed. This is not under the control of Stromasys.
For this reason, and because software licenses are very sensitive to any changes in the physical or virtual hardware, it is highly recommended to have access to a backup license when using software licenses.
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