Hi Zaher, You shuld have active directory where you can import the schema. I prefer if you can go for ISA STANDARD EDITION instead so that you can get acquainted and then go for Enterprise. Browse thru www.isaserver.org <http://www.isaserver.org> for the tutorials and u can find all the gudd info. Check this out http://isaserver.org/pages/search.asp?query=Installing+ISA+Server <http://isaserver.org/pages/search.asp?query=Installing+ISA+Server&x=13&y=12 > &x=13&y=12 Good Luck, Athif -----Original Message----- From: Zaher Al-Sa'ab [mailto:zaherer@xxxxxxxxxxx] Sent: Wednesday, 21 April 2004 8:15 AM To: [ISAserver.org Discussion List] Subject: [isalist] RE: scheme http://www.ISAserver.org ok sir thnx for your reply , but can you tell me what should i do and when should enterprise install.....? please help me Zahir Al-Sa'ab ----------------------------------------------------- This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom/which they are addressed. If you have received this email in error please notify the system manager at the following email address: sadmin@xxxxxxxxxxxxxxx <mailto:sadmin@xxxxxxxxxxxxxxx>. Please note that any views or opinions presented in this email are solely those of the author and do not necessarily represent those of Al Faisaliah Group. Internet communications cannot be guaranteed to be secure or error-free as information could be intercepted, corrupted, lost, arrive late or contain viruses. The sender therefore does not accept liability for any errors or omissions in the context of this message, which arise as a result of Internet transmission. Finally, the recipient should check this email and any attachments for the presence of viruses. Al Faisaliah Group accepts no liability for any damage caused by any virus transmitted by this email. -----------------------------------------------------