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A: Yes you can do that for testing purposes as 17.0 is still in the beta stage.
Q: Are my existing purchased licenses for prior versions still good? Does my existing deployment ID with commercial module licenses still work on FreePBX 17?
A: Yes. You are free to deactivate your deployment ID from your existing system and activate the same deployment id to your new FreePBX 17.0 system and expect to get the same supported licenses. Please refer to How to Move a PBX Deployment to a New PBX to learn how to move your deployment to another PBX.
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