No... You could use terminal services to the Exchange server instead. -----Original Message----- From: Quincy [mailto:durban56@xxxxxxxxx] Sent: Friday, January 20, 2006 3:52 PM To: [ExchangeList] Subject: [exchangelist] RE: ESM http://www.MSExchange.org/ NO, exchange is on a different computer (COMPUTER B) that is not the on the DOMAIN CONTROLLER. Computer A is the DC/GC. My question was: do i have to install ESM tool on the domain controller too to have the users' property objects related to exchnage (i.e the EXCHANGE GENERAL, EXCHANGE ADVANCE, E-MAIL ADDRESSES... tabs) in ADUC?