Hi all Sorry to bother you with a simple question but I don't have access to an Exchange server at present to look for myself at present and have not yet found the information I need on any site. I know the service names and their dependencies but what I do not know is the names of the actual executables. Could anyone either tell me or point me in the right direction. Apologies to anyone who thinks I am wasting their time but I have an interview tomorrow and after much revising for possible technical questions it occurred to me that I did not know these off the top of my head. Many thanks in advance. Regards, Paul Lemonidis.