My license will not activate after moving site to production domain

my license will not activate after moving site to production domain. Please help resolve this, i get the following error:

Uh oh, we couldn't check if this license was valid

i have tried manually entering the domain and clearing out the domain and registering with key again. All methods lead to the error Uh oh, we couldn't check if this license was valid. Details.

Hi,

You can try other solutions listed below.

Hope that helps