Whatever product you use, check out *Antivirus Software Configuration Guidelines for Presentation Server.* http://support.citrix.com/article/CTX114522 Scan on *incoming* only is the preferred option. Each of the major AV products must be fully patched to resolve Citrix specific issues. The patches are not part of the normal auto-update process. On Feb 8, 2008 2:13 PM, Minero, Hector B CIV NSWCDD, K55 < hector.minero@xxxxxxxx> wrote: > > Hi all, I've been using TrendMicro's Server Protect on PS 4 and 4.5servers > for several years now and I've been happy with it. > > I've heard that OfficeScan is the way to go now. Is that right? > > Also, do McaFee or Norton work well on Citrix when using "Scan on > Access"? > I now I tried both products several years ago and they would crash my > servers everyday. > > Thanks for your help. > _________________________ > Hector Minero >