SEP Client not getting IP

My  clients (Laptop/Desktop) are not geeting IP from DHCP server after i install SEP in the DHCP server. If i uninstall the SEP then clients getting it, Please advise where should i change.

Notes:

* SEP cleints (Desktop/Laptop) are in differient group.

* Server are into different group.

* SEPM version 12.1.5

* Windows server 2012