Re: Slow File Transfer revisited (Dell servers)
From: Chad A. Gross [SBS MVP] (chad.gross_at_laytonflower.nospam.com)
Date: 11/20/04
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Date: Sat, 20 Nov 2004 11:29:27 -0600
Originally, WindowsXP clients on SBS2k networks didn't like AutoSense - and
it didn't matter what you had for a switch or NICs. You got better
performance and reliability by throttling everything back away from
AutoSense. Even hard setting everything to 100 Full was better than
AutoSense. As a result, it became a standard configuration for most of us
with all of our SBS2k / WinXP installs. Since SBS2k3 has been released, I
have noticed that I'm not having any of the problems with AutoSense that we
used to. I first discovered this last December when I installed SBS2k3
Premium on a Dell PowerEdge 2600 and was experiencing terrible file copy
speeds with the server hard set to 100 Full (Had 1.5 GB of data to pull
over from an old NT4 Server that took almost 12 HOURS). That NT4 box had a
3 month old 3-Com nic (not gigabit) also hard set to 100 Full, and the
customer had purchased a new Dell PowerConnect switch as well. And even if
Auto-Sense is preferred, hard-setting the speeds should not have affect the
file transfer speeds in such a drastic fashion. Setting everything to
AutoSense solved the problem . . .
-- Chad A. Gross - SBS MVP SBS ROCKS! www.msmvps.com/cgross www.gosbs.org "Bill" <Bill@microsoft.com> wrote in message news:ONmw%23RvzEHA.2012@TK2MSFTNGP15.phx.gbl... A good SWITCH helps even with Crapy Dell server... even with $2 network cards... Modern switches like AutoSense "Kevin Weilbacher [SBS-MVP]" <kweilbacMVP@gte.net> wrote in message news:ewh%23o$rzEHA.4004@tk2msftngp13.phx.gbl... This is an FYI post: We get a lot of posts complaining of slow file transfers from workstation to the SBS server. The first suggestion we make is to disable SMB signing, which is properly described at www.smallbizserver.net. The other thing we suggest is to switch your NIC card away from autosense/autodetect. I've had a server that has had the same 'slow file transfer' symptoms for two weeks, and yet nothing I did fixed the problem. Finally, tonight, I had a chance to 'google' through this newsgroup looking for other ideas. I found a post from Chad Gross (in August) saying that with Dell servers in particular, that he had to set the NIC card back to autosense to fix the slow file transfer problem. Well, I connected up, switched the server NIC back to autosense, and reran an 80mb file transfer that previously took 11 minutes to complete. This time it took 30 seconds! Thanks, Chad! Thanks, Google! Thanks, Dell (not!) -- Kevin Weilbacher [SBS-MVP] "The days pass by so quickly now, the nights are seldom long"
- Next message: Barry McConomy: "Re: Does Windows 2003 SBS have ISA Server?"
- Previous message: Lanwench [MVP - Exchange]: "Re: Does Windows 2003 SBS have ISA Server?"
- In reply to: Bill: "Re: Slow File Transfer revisited (Dell servers)"
- Next in thread: Jim Behning SBS MVP: "Re: Slow File Transfer revisited (Dell servers)"
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