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Performace & Slow Response

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5 replies

by ron.wilcox

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When working with a Win2K OS workstation, the user has expereinced a lag in response using several applications (explorer, excel, access, word, and third vendor (Informix) software). The lag time lasts upto 2 minutes before the response returns. (Repsonse could be opening the file, saving a file, printing a report, searching to open a file, inquiring within the informix application, etc).

What has been done so far:
1) Changed the NIC settings to Full Duplex - 100 Mb
2) Captured log with PerMon (all processess running at time of slow performance) and all counters for TCP/IP activity (to, from, retries, errors, etc).
3) Network switch reports for activity on the same port as user.

Although we thought #1 was the culprit, slow perfromance was still experienced after the changes were made. None of thelog trapping seemed to indicate there was a "bottleneck on the port, router, or any of the switches between the user and the servers connected to the workstation.

The slow performance is very sporadic - we went 3 weeks without any incidents reported and then 5 were reported in the same week. The NIC card are 3Com and connected to a Cisco Switch.

I am soliciting responses to this Slow Perforamce.

5 replies

by w2ktechman

The port may be having problems, try plugging into another port. Also try changing the line itself. Update the Nic driver, reload tcp/ip, and rebind the card, Re-add the computer to the domain, Log in as someone else to see if it is a windows profile problem (if so remake ntuser.dat). If those dont work then rebuild and try again.

by curacao_dejavu

to troubleshoot for physicall problems: they the nic, the rj 45 plugges and bot sides, use another port.

software issues: install sp4 and patches and a antivirus programs, use the welchia removal tool for example, i think the rpc service may be corrupted or infected hence the suggestions for the virusscan and updates (if you ahve sp4 already do a reinstall, I remember reading about some issues in the ms kb regarding slow performance)

You didnt mention anyting about the eventviewer, are any particular messages mentioned in the eventviewer ?

Hope it's a start.

Leopold

by ninet4

I think everyone is approaching this from the wrong angle. A NIC would have no effect on running explorer or excel unless accessing files across the network.

Initial suggestion is to increase the size of the paging file. Making sure to make its initial size larger than the minimum recommended, the maximum the same as the initial. Doing this will create a paging file than never changes in size and will therefore be less likely to become fragmented. The 2nd part of this is after a reboot, to defrag the computer. This will ensure all pieces of the paging file are near each other and not fragmented.

Secondly, and I can't stress this enough. Biggest performance gain you can see in business computers is in RAM. Increase the amount of RAM in the computer. Put at least 256MB in if you can. The more memory you have, the less it has to reference the paging file.

by gkrishna_rath

I think Your network is infectde by some network virus. So please first You scan your server with a good antivirus like Trend Micro/ Norton Antivirus.
download MSBLAST REMOVER. and put all security update in your server and client.

for presently you have to do one thing.
go to www.antivirus.com ( This is Trend Micro Antivirus homepage)
online scan your pc. it is free.

After cleaning all that virus your network will be go fst.

bye
Kriss

by wlbowers

Go into my computer and right click on the hard drive.

Uncheck allow index services. Tell it to apply to subfolders.

I have had a some systems that this fixed this type of problem.

Lee

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