Activating server lisence without internet acces

Hi team,

One of my customers ordered a WiseJ lisence for a product we developped. Their server is in a closed network without acces to internet, which is for security purposes, not available. How do I activate the lisence? The IT department won’t let any server acces the internet and thus we need some other way to activate the lisence.

Any suggestions?

Thanks in advance!

Vincent