Did you enable any of the TCP232 options? If your using Gigabit ports, = you should.. Enabling PAWS with a timestamp can prevent packet sequence = numbers from being recycled too quickly on a gigabit network. Joe -----Original Message----- From: DMelczer@xxxxxxxx [mailto:DMelczer@xxxxxxxx] Sent: Tuesday, October 15, 2002 9:25 AM To: thin@xxxxxxxxxxxxx Subject: [THIN] Re: Server Lockups -- Please Help Jennifer- We're running with a Cisco 6513 switch. Reboots on the box are about a minute and a half from the start of shutdown to full login screen. = Logging in (with running our logon scripts) takes about 25-30 seconds max. I have already downloaded the latest Intel NIC drivers when the = originals didn't work. Driver revs didn't seem to be the problem. And as for longshots...everything I've done so far is a longshot...I've getting used to them by now... If you've disabled the paging executive, try re-enabling it. I've got 9 = and 6 hours going strong right now... The registry key is: HKLM\System\CurrentControlSet\Control\Session Manager\memory Management\DisablePagingExecutive Set it to: REG_DWORD:0 Hope this helps you. -Dave Melczer dmelczer@xxxxxxxx -----Original Message----- From: Jennifer Booth [mailto:JBooth@xxxxxxxxxx] Sent: Tuesday, October 15, 2002 11:16 AM To: 'thin@xxxxxxxxxxxxx' Subject: [THIN] Re: Server Lockups -- Please Help Hi Dave - Funny... I have had the exact same difficulties on non-Citrix boxes here: 6400, 6650 & 6450. What kind of switches are you running? We = ended up having to yank one or both of the Gig NICS in order to get a working = box, and the problem existed on both Intel and Broadcom NICs. It looks like = now the problem may be within our Foundry switches and/or the configuration. = We were unable to get a good answer from Dell, we had to get updated = drivers from Intel's site. Even still, we ended up rebuilding the 6400 7 times, doing all the same things you have tried. But if we ran with only one = of the NICs, we were ok. Let me ask you this too: When you reboot the box, how long is it taking to give you the logon screen? Then when you login, how long is = it taking to get a desktop? This may be a longshot, but it's something! Hope it gives you some clues... Jennifer Jennifer Booth Systems Engineer Viejas Enterprises Alpine, California jbooth@xxxxxxxxxx -----Original Message----- From: DMelczer@xxxxxxxx [mailto:DMelczer@xxxxxxxx] Sent: Tuesday, October 15, 2002 5:05 AM To: thin@xxxxxxxxxxxxx Subject: [THIN] Re: Server Lockups -- Please Help I thought it could be very high CPU as well...unfortunately, every = metric I can measure tells me that this isn't the case...I do have Trend ServerProtect running on the box, and this is a change from the Norton = 5.0 AV I was running on the older servers. I'm only scanning incoming, = though. The CPU and memory hit are minimal. Even with 20 users on the box, CPU utilization is still under 10%...I never see a spike or a drop...all of = the sudden, everything just times out...the funny part is that I can't even = get to access the services remotely...server manager times out as well. I = think I mentioned this in a previous post, but it's almost like the RPC = services just hang...along with explorer...on the console, I can't even = CTRL-ALT-DEL to get to a login screen. If I'm logged in during the crash, no screen redraws are done at all. I can't even CTRL-ALT-DEL to get to task = manager. The Dell 1650 are wonderful machines if you can keep the Windows OS = running on them... Oh, well...hopefully the paging executive and SP2 stuff works. Things = are looking good so far... -Dave Melczer -----Original Message----- From: Mack, Rick [mailto:RMack@xxxxxxxxxxxxxx] Sent: Monday, October 14, 2002 5:36 PM To: 'thin@xxxxxxxxxxxxx' Subject: [THIN] Re: Server Lockups -- Please Help Hi Dave, Saw something like it last week. Really neat. Asked the customer had anything changed? I was told no. ;-) Server was slowing to a crawl and then stopping, I was monitoring almost everything at the time. CPU fell to next to nothing, no i/o, no network traffic to speak of. Turned out that an application (Corel Draw 9) was absolutely thrashing = the file/print server on initialisation (coreldraw.ini in users' home directory). End result was full network i/o request queue and at that = point ALL server i/o stopped. Customer had been rebooting at this point to get things going again. Left the server hung and ran srvmgr srvmgr on the file/print server, disconnected all sessions. This "fixed" things temporarily. Upped = maxmpxct and maxworkitems on the f/p server. Things got better but not perfect. Noticed Netshield on F/P server, NICs seemed different. When did thisd happen? Last week. Turned off real-time virus checking on F/P server. Problem gone.=20 But really, aside from the new NICs, virus checking and recloned = servers, everything was the same. Sigh..... Regards, Rick Ulrich Mack rmack@xxxxxxxxxxxxxx Volante Systems 18 Heussler Terrace, Milton 4064 Queensland Australia tel +61 7 32467704 -----Original Message----- From: DMelczer@xxxxxxxx [mailto:DMelczer@xxxxxxxx]=20 Sent: Tuesday, 15 October 2002 4:15 AM To: thin@xxxxxxxxxxxxx Subject: [THIN] Server Lockups -- Please Help I've never seen this one before in 6 years working with Citrix products, perhaps someone out there can help: Hardware: 2 new Dell 1650 PowerEdge Servers Dual 1.2 Ghz processors 2 Gig RAM Intel Pro NICs (2) teamed copper gigabit Software: Microsoft NT4 Terminal Server Edition, SP6a MetaFrame XP 1.0 Service Pack 1 / FR1 Problem: The system is fine and stable for hours on end, even under a moderately heavy load (9 hours, 18+ users concurrent). Then, all of a sudden everything just stops -- server can be pinged, and mouse = movements allowed on the console, but nothing else. All sessions refuse to screen paint and lock up. The only way to get the server out of this mode is = to power it off and power it on. Solutions tried:=09 - Removed all printer port monitors - Recreated local host cache - Reinstalled MetaFrame XP, FR1, Hotfixes 1, 2, 8, 11, 12, 16. - Reinstalled SP6a for TSE - Re-created ICA connection in Connection Config Application - Set Priority on the teamed NICs - Updated drivers for NICs - Tried removing NICs from team and running with a single NIC active = (tried both NICs) - Tried to hard-code NIC speeds and duplexes to avoid autosensing (can't = do it -- Intel PRO software doesn't allow hard-coding of = gigabit...autosense only...allows hardcoding of 10/100 at full/half, just nothing gigabit) Has ANYONE seen anything like this before? I'm preparing myself for the infamous pinkslip... Any suggestions welcomed, on or off list. -Dave Melczer dmelczer@xxxxxxxx *************************************************************************= *** * Please be advised that this transmittal may be a confidential attorney-client communication or may otherwise be privileged or confidential. If you are not the intended recipient, please do not = read, copy or re-transmit this communication. If you have received this communication in error, please notify us by e-mail (postmaster@xxxxxxxx) = or by telephone (call us collect at 212-403-4357) and delete this message = and any attachments. 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