License key not accepted in new ARAS Innovator 12 installation

I tried to install Aras Innovator 12.0 according to the book, but I always get "You must enter valid License Key"

I want to install on a virtual Windows server and I already requested a license twice, first for the default VMWare generated MAC address and then for a static assigned MAC address in VMWare workstation. Always with the same result.

I verified the MAC address with ipconfig and according to documentation everything is OK.

And I selected the correct Aras version  for the license request, i.e. 12.