SearchWindows2000.com interviewed Tony Redmond, vice president and chief technology officer for Hewlett-Packard's services unit and author of "Microsoft Exchange Server for Windows 2000: Planning, Design and Implementation." In the interview, Redmond offered some observations on Exchange migrations, on Microsoft's collaboration strategy and why he believes <A HREF="http://searchwin2000.techtarget.com/qna/0,289202,sid1_gci939182,00.html">open source won't have an impact</A> on Exchange in the long run.