August 9, 20232 yr Hi all, I'm trying to upgrade my basic license. When I go to the Web UI ( Tools -> Registration ) and click on "Upgrade Key", it opens a new page on unraid.net but all I get is "Preflight Failed" error. Tried with both Chrome and Edge and same issue. Any ideas?
August 9, 20232 yr Community Expert Try using a different PC/device, also make sure no firewall/AV/ad-blocker is blocking the site.
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