Have you ever tried to connect to AS400. It’s been a hassle for me. But finally I got it to work, so let me share little of my wisdom with you. First create linked server, then change options to it. EXEC master.dbo.sp_addlinkedserver @server = N’AS400′, @srvproduct=N’i520′, @provider=N’IBMDA400′, @datasrc=N’AS400′, @provstr=N’User Id=USER;Password=PWD;Default Collection=DAT;’ Change option: USE [master] …