My Parallels Toolbox registration expired, and I attempted to enter my new Desktop v16 key. Toolbox will not accept my Desktop key.
Answered my own question. Parallels screwed us by changing the license. Buying Desktop only activates Toolbox for three months. Used to be a year.
Almost two weeks to get a confirmation of what I already posted. The Toolbox subscription for Paid Desktop licenses is only three months now. What an awful change of policy and awful customer service.