Question Automated Unity license activation

In our automated CI build system, some of the build agents are hosted on Amazon EC2 (Windows machines).

I've noticed that from time to time, due to reasons i am not sure i fully understand, the Unity license becomes invalid and all automated build executions fail. I suspect this has to do something with Amazon VMs changing their IP or some other parameter that affects the license activation.

I've tried to use some of the command line arguments that are available for activating a license, but it seems like the batch mode run fails even before it is able to use the arguments i passed.

Is there any way to ensure our builds will be able to "renew" the license in case something like this happens?