Michael -
If you are looking to transition from node-locked licenses to floating licenses, we can transition you once you provide us with the previous license key.
Regarding redundant license servers, they are supported. In order to configure this system, we will need you to provide us with the computername and hostid (Ethernet address), for each of the three servers that you are going to include in the system. We can then provide you with the server keys for the three machines.
If you are looking to configure this system immediately, please forward this information to me directly at greg.wempe@ni.com.
I look forward to hearing from you.
Regards,
Greg Wempe
Product Mangager for MATRIXx
National Instruments