DHCP clients can be assigned an IP address from a DHCP server. The lease duration determines the amount of time a client can use an IP address assigned from a DHCP server before it must be renewed. The default lease time in Windows Server 2003 is eight days.
LMHOSTS
A text file that can be used to resolve NetBIOS names to IP addresses. The file exists in the Windows directory and contains NetBIOS to IP address mappings.
