Nagios adding hosts configuration question



I am new to nagios. Quick guide tells how to add single host but not clear about multiple hosts. If I would like to monitor same services for multiple windows servers, do I have to append all those services command lines in windows.cfg file for each host? Is there any easy way as far as defining services once and then all hosts with ip addresses in another section, instead of appending all those services for each host in window.cfg file over and over again. Any help will be appreciated.