Appologies if that's the case, all prior experience with Norton has not been good for me with Citrix so I've kinda steered away from it ! Mark --- Evan Mann <emann@xxxxxxxxxxxx> wrote: > > NAV Corporate 7.6 (part of Enterprise 8.0) for > Servers (not the workstation > version) works on Citrix properly now. Corporate > 7.5 did not. I'm not sure > if it's Citrix Certified however. > > FWIW, I used Corporate 7.5 Server on my MF XP 1.0 > server without any > problems, and now am using 7.6 > > -----Original Message----- > From: Mark Lee [mailto:marklee15@xxxxxxxxx] > Sent: Wednesday, July 31, 2002 9:35 AM > To: thin@xxxxxxxxxxxxx > Subject: [THIN] Re: CPU - Explorer and Winlogon > > > > Tony, > > you're welcome. I can only offer one piece of > advice > - if possible ditch Norton AV and opt for an > alternate > that's Citrix Certified as when I last checked > Norton > was certainly not Citrix Certified. > > I used to use Norton 4 and 5 on Citrix servers until > v. recently but had to modify the installed version > to > stop it running NAVAPW32.EXE (AutoProtect) as this > would run for each logged on user, therefore, using > vital CPU cycles for no apparent reason - basically > when it ran the server just died. Also, a colleague > recently tried installed in the same ver. of Norton > you mention and gave up as it killed their test > server > :-( > > We actually use Sophos right now and it's fine, no > CPU > hit's :-) We use TScale too :-))) > > Finally, if you mail me off list I have a solution > (in > Beta) to high CPU usage in Windows, might help you > whilst you try to resolve the problem, this way > you're > current user's are not impacted too much.... > > Cheers > > Mark > > > > > --- Tony Brookus <tbrookus@xxxxxxxxxxx> wrote: > > Mark > - >does this happen to all of your servers ? > > It definitely seems to > > occur for all my published desktop servers. I've > > duplicated the high > > processor usage (in varying degrees) on all my > > servers that I've looked at. > > I'm not sure if the hanging or sluggishness is an > > issue with all of them, > > however. > > >does this only happen to specific clients on > > specific > > >servers ? Just the thin client users that connect > > to a published desktop. > > >have you done any sort of S/W upgrade on the > > servers ? Looking back through > > my notes, I can't find anything that was made that > > would have affected > > everything, except for two things. One was that I > > upgraded the firmware and > > client version on the NCD thin clients. Since I > > just managed to experience > > the problem on a downgraded thin client (while > > typing this email), that > > wouldn't be the problem. The other was that we > > upgraded to Norton Antivirus > > Corporate 7.61. I'm now wondering if that could > be > > the cause. I think I'll > > uninstall that this evening off of one server and > > test that out. > > >is the login script still running during this > > period > > >of High CPU usage ? Yes, but the high CPU > continues > > even when the login > > script completes. Here's what's happens (I can > > describe it pretty well > > sinceit's happening again on this client): User > > powers on their client and > > eventually gets sent to the login screen of one of > > the servers. Even this > > causes a spike in CPU with Winlogon using about > > 30-50%. User logins in. > > Winlogon maxes out the CPU (seems to use all > > available). Context > > switches/sec go from their average (right now > > 12,000) to 60,000 with a spike > > over 100,000. Once explorer starts for the user, > > that begins to take up CPU > > (30-40%), though not as bad as the winlogon. The > > user could just sit at > > their desktop and not move and their explorer.exe > > will still be using about > > 20% processor for about 20 seconds or so. The > hangs > > for the users are felt > > during the winlogon part and slightly during the > > explorer.exe (depending on > > how busy the server is at the time). Yesterday I > > was looking more at the > > explorer process part, but after working on a thin > > client this morning, I > > think I'll re-examine the winlogon. That seems to > > be the kicker. It will > > just grab every bit of processor available. > Thanks > > for the response, by > > theway. llater, Tony > > > > > > > ---------------------------------------------------------------------------- > > Join the world's largest e-mail service with MSN > > Hotmail. 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