We boot them all every night! All quads. All 4GB memory. What I didn't want to hear was what you say about Trend. I was hoping that was my solution! Crap. -----Original Message----- From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] Sent: Wednesday, January 12, 2005 12:06 PM To: thin@xxxxxxxxxxxxx Subject: [THIN] Re: Yet Another Anti Virus On Citrix Question (hopefully with a twist) I have experienced problems like this before. Running a farm of 35 NT servers (terminal server no citrix), and about 40 users per box during peak times. We would get 1450 errors and would have to remove servers from the farm. I got to a stage where half the farm was rebooted each night to keep it running!! We found once we removed trend AV, the servers would stay up for weeks and handle more users. We may have hit a resource limit once AV was installed and could have been teetering on the edge, however, I still believe it was a trend thread leak issue but have been unable to get it resolved so far. I should mention the servers weren't small either, 4Gig RAM quad processor etc. This doesn't mean anything though when NT has hard set limits for paged pool and non paged pool memory. Cheers Doug -----Original Message----- From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of Pardee, Michael P. Sent: 12 January 2005 15:50 To: 'thin@xxxxxxxxxxxxx' Subject: [THIN] Re: Yet Another Anti Virus On Citrix Question (hopefully with a twist) Thanks. We are running 7.1. -----Original Message----- From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] Sent: Wednesday, January 12, 2005 10:02 AM To: thin@xxxxxxxxxxxxx Subject: [THIN] Re: Yet Another Anti Virus On Citrix Question (hopefully with a twist) Over the years we have seen McAffee cause all kinds of stability and performance issues. It depends on the version you are using, we are doing a large project now with McAfee 7.1 and it seems okay so far.... Steve Greenberg Thin Client Computing 34522 N. Scottsdale Rd. suite D8453 Scottsdale, AZ 85262 (602) 432-8649 (602) 296-0411 fax steveg@xxxxxxxxxxxxxx -----Original Message----- From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of Pardee, Michael P. Sent: Wednesday, January 12, 2005 6:59 AM To: thin@xxxxxxxxxxxxx Subject: [THIN] Yet Another Anti Virus On Citrix Question (hopefully with a twist) This is a little long... I know the topic of AV and Citrix has been beaten to death here, but I had an interesting thing happen the other week and wanted to see if anyone else had seen anything similar. Although we are moving to a shiny new Win2k3/MFXP environment, we unfortunately have to keep the NT4/MF1.8 servers up for another 6 months or so. We have barely been able to get more than 65 users on a server concurrently. Heavy thin client users with published full desktops. For years we have worked with Microsoft and Citrix troubleshooting BSOD issues that have really gone nowhere. As a last ditch attempt, I had one of our guys completely remove McAfee off of one of the servers in an attempt to eliminate yet another variable. Not only has that one server stayed up for the past 3 weeks but, due to bringing it back in to the load incorrectly, it also had 94 users on it. Before we would get 1450 errors and would constantly run out of registry quota. All of a sudden that one server was handling 1.5 times its normal load. So that got me to thinking - in our new environment I am seeing closer to 100 users per server, but the memory usage is obscene. Performance is acceptable though. Has anyone else ran in to AV software severely limiting the number of users you can support on a server? Is it purely a McAfee thing? One of our new hires mentioned that they used McAfee where he came from, replaced it with Trend, and nearly doubled the amount of users on a server. I realize my mileage may very, but if I am truly not crazy and McAfee could be the root of all of our issues, I am more than happy to look for alternative solutions. One last question, do most of you even run AV software on your Citrix servers? 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