Well when you upgrade from WCS to NCS 1.0, you have to export your license and enter that for the new NCS license. If you have the WCS to NCS 1.1, you should of had a license that would cover your existing WCS license.
So it depends on what migration you were sold. If you didn't buy any migration license, then you need to purchase new NCS license.
After this is all done, then upgrade to PI as it will use the same license as NCS.
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-Scott
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