MS-SQL server connection

I am trying to create a connection w' MS-SQL Server to use with php. I have the server name (on our LAN) and my UID & PWD (work via MS-ODBC driver for Access db). However my php is failing to bring any data back (unknown host). Any suggestions if I am missing any parms? [I am a newbie so plz be gentle :) ] Rafi This e-mail, including attachments, may include confidential and/or proprietary information, and may be used only by the person or entity to which it is addressed. If the reader of this e-mail is not the intended recipient or his or her authorized agent, the reader is hereby notified that any dissemination, distribution or copying of this e-mail is prohibited. If you have received this e-mail in error, please notify the sender by replying to this message and delete this e-mail immediately.