the server exchange is crashed and i have replaced them with a new one and i delete all entries of exchange on active directory and i have installed a new exchnage server2010
but the problem is when i try to create a mail box for the old user he doesn't appear on exchange console .
If managing Active Directory using Windows Powershell® is making you feel like you stepped back in time, you are not alone. For nearly 20 years, AD admins around the world have used one tool for day-to-day AD management: Hyena. Discover why.