Multiple RDS License Server with Split licenses

Hello

We have 2 RDS License server in the domain with 40 Per User CAL on each server with OS Windows Server 2016 DataCenter. and we have GPO in place as well point RDS license server But only one RDS License server is allocating the licenses. Second server is not allocating. 

Both server are activated for RDS license.

Need help in this.

Thanks & Regards,

Sapan Shah