I install tftp64d on my server.OS is english windows server 2012 r2.My server ip is 192.168.1.31.The "IP pool start address" is 192.168.1.50,"size of pool" is 204.So i think dhcp pool is from 192.168.1.50 to 192.168.1.254.
But after many days ,i found no pc or other devices can get ip from 192.168.1.240 to 192.168.1.254.This mean the tftpd64`s dhcp max size of pool is 180!