Hello, I have to install a new IT system for a company of 1ooish users. Currently they operate across three offices with numbers split as: Office 1 (HQ) 66 Office 2 - 20 Office 3 - 20 Currently Each office has a seperate domain and users have 2 or 3 accounts at each office. Email is currently outsourced to a third pary company and is accessed via pop3 into PST files on each users system. I have proposed Exchange and a linked domain enviroment. Luckily all new hardware is going to be used so existing system can continue to run until I need to copy data accross. Obviously some work will have to also be done with MX records in regard moving from hosting company to in house. few questions for you, be good to get a feel for what people think? Should I go for Windows Server 2008? Not much experience with it more comfortable with 2003, the 64bit stuff is also a worry for me in terms of compatability and tourbleshooting. In relation to exchange I have speced 2 x identical servers to host it on, is it viable to host it at HQ and have other users logging in via either webmail of via VPN's? I have a 12Mb down 833K up connection at head office and 6MB down 333K connections at each office? Should I go for Exchange 2007 or 2003. I have experience with 2003, but 2007 I have done nothing but read up on it. Again, 64bit requirement does concern me as does lack of experience with it. A few others have commented that noone would fit a new exchange server and chose 2003 for it. THanks in advance, I have a feeling I will be coming back to this post/forum a lot over the coming months. Thanks Andy