You can enable the license via CLI:
The iRMC firmware validates the key against its internal hardware ID (typically a CRC32 of the system serial number). fujitsu+irmc+license+key+work
Fujitsu servers (PRIMERGY and PRIMEQUEST) come with an integrated Baseboard Management Controller (BMC) called iRMC. The (iRMC S2, S3, S4, or S5 depending on the server generation) is free and allows for basic remote access, power control, and hardware monitoring. You can enable the license via CLI: The