There were many issues with Gigabit cards and the results were exactly what you have described. In some customers we simply had to disable them and use 100MB ones. That fixed all the issues. You may give that a try for testing purposes. Cláudio Rodrigues Microsoft MVP Windows Technologies - Terminal Services http://www.terminal-services.net -----Original Message----- From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of Andrew Rogers Sent: August 19, 2004 11:46 AM To: thin@xxxxxxxxxxxxx Subject: [THIN] Re: Network Optmization : Output queue length very high When you say the other servers have the same problem, presumably you mean the network queue length? I cant imagine it will be, but try add the Bytes Total/s and see if the LAN's throughput is saturated. Are their functions "slow" at all? ie, bringing up directory listsings or working with the sql server? Whats the backbone of your network, switch/hub/make wise? Oh, and its Xeon, not Xenon ;) Andrew --o-- >>> bjarrett@xxxxxxxxxxxxxx 19/08/04 16:01:50 >>> We are running office XP Pro Enterprise SP3. Yes we are running Dells with brodcoms on the 6 citrix servers but the other servers are Dell with installed 3Comm Gigabit NICS that we installed and are getting the same problems. BTW: these problems do occurn on the LAN and the sessions that are frozen do show active. Thank you for the suggestions tho, Bruce Jarrett-Norton -----Original Message----- From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf Of Andrew Rogers Sent: Thursday, August 19, 2004 10:53 AM To: thin@xxxxxxxxxxxxx Subject: [THIN] Re: Network Optmization : Output queue length very high If its easy to do, try a different NIC in one of the MF servers and see if that helps, people have had various problems with broadcom nics (I assume you're using Dells??). But have a look at the following first- As for the stuttering, what happens if you're on the LAN with the servers, do you get this? If not, I'd suggest looking hard at bandwidth usage on your external connections, they may be very well saturated. (Also check ping times over them!) The frozen sessions I'd hazard a guess at being sort of the same thing, but more extreme. Does the session show as Active or Disconnected when they report this? You might find setting up the whole Keep Alive keys thing will help this a little - they will be disconnected rather than frozen! There may or may not be something deeper going on, in which case someone else may well provide more of an insight, but the above is what I'd look at! Andrew --o-- >>> bjarrett@xxxxxxxxxxxxxx 19/08/04 15:29:18 >>> Broadcom Gigabit NIC Running applications in seamless using a frame relay connection to remote offices on 56k up to 256k connections even some dialups running through our NFUSE portal. ******************************************************** This Weeks Sponsor RTO Software Do you know which applications are abusing your CPU and memory? Would you like to learn? -- Free for a limited time! Get the RTO Performance Analyzer to quickly learn the applications, users, and time of day possible problems exist. http://www.rtosoft.com/enter.asp?id20 ********************************************************** Useful Thin Client Computing Links are available at: http://thin.net/links.cfm *********************************************************** For Archives, to Unsubscribe, Subscribe or set Digest or Vacation mode use the below link: http://thin.net/citrixlist.cfm ******************************************************** This Weeks Sponsor RTO Software Do you know which applications are abusing your CPU and memory? Would you like to learn? -- Free for a limited time! 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