Dear all, I need somebody can help me. I have one server running on NT4 with Exch 5.5 and I have one server running on W2K with Exch 2000. How I can make the x.400 connection between that server ? I already try to make the x.400 connection on exch 5.5 and exch 2000 but can't success. Hopely you're the expert with exchange system can help me. Thanks all BRgds, Salim (林漢慶) Caterindo Garment Industri, PT Jl. Pelabuhan Nusantara II Blok E 2-3 KBN Tjg. Priok Jakarta Utara - 14310, Indonesia ' : 6221-2602020 Ext. 150 6 : 6221-2601866 * : salim.lim@xxxxxxxxxxxxx