how can i find how many dhcp servers running in the network?

Hi Muppuri, You could open a command prompt and type netsh dhcp show server and a list of DHCP servers authorized in AD will be displayed. How to Use Netsh.exe to Authorize, Unauthorize and List DHCP Servers in Active Directory http://support.microsoft.com/kb/303351 Brent Hu, TechNet Subscriber Support in forum If you have any feedback on our support, please contact tngfb@microsoft.comPlease remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.