The Remote Desktop Session Host server is within its grace period, but the RD Session Host server has not been configured with any license server.

Hello,

I am Pritam From MIMER MEdical College Talegaon Dabhade, Pune

i am facing below problem on windows server 2012 standard 

1) The Remote Desktop Session Host server is within its grace period, but the RD Session Host server has not been configured with any license server.

2) RD server not configured