There could be any number of problems. What CGI connector are you using to hook PHP up to IIS? FastCGI? ISAPI? Are you trying to use trusted connection? > phpinfo it does not list the mssql That's not a good start. You can try to do a MSSQL connect directly, to make sure the mod is loaded. <http://www.php.net/manual/en/function.mssql-connect.php> -AH