Thanks to the guys who replied about MF. I could with some feed back about XPe though. When you load balance over XPe is it recommended that you have 2 NIC's, like NLB - i.e. one for the nlb and one for normal network traffic.. or does the load balancing on XPe only really function over the one NIC - so load balancing and network traffic are shared over the same NIC. I do realise that XPe has more functionality ie. Memory, CPU and network balancing but, I'm interested to see if I should use the 2nd NIC or if it will cause me more issues ?. This will be for a large farm (W2K AD)- possibly getting up to 50/60 citrix servers with a large SQL cluster(SAN based)behind it. The farm will run a in-house written application. Dave Boatman *********************************************************** This message is confidential and intended for the exclusive use of the addressee(s) only and remains the property of Exchange FS Group plc. You should not disclose its contents to any other person. If you are not the intended recipient please notify the sender named above immediately. Registered Office: Munro House, Portsmouth Road, Cobham, Surrey, KT11 1TE. Registered in England No. 2596452 *********************************************************** ========================== This Weeks Sponsor New Moon Canaveral iQ New Moon makes central deployment and management of server-based applications simple! Now intelligent Printing with UniDriver! See a demo at: http://www.newmoon.com/products/demo/