Hi All.

I have an application that authenticates the Active Directory (AD) via LDAP. This application is expected to generate over 60,000 concurrent authentications per minute. the application use one user account to connect AD.

what I should consider to get a proper sizing of HW? 

there is a tool you can use to stress with LDAP connections?

thks for any help.

Hi

 You can check this article for "How To Use the Active Directory Performance Testing Tool on Windows Server 2012"

http://blogs.technet.com/b/askpfeplat/archive/2014/02/10/how-to-use-the-active-directory-performance-testing-tool-on-windows-server-2012.aspx

You can use Active Directory Performance Testing Tool (ADTest.exe),on article explain how to Works.