network slow and computers freezes
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Gersonmo
5 pts.
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Q:
network slow and computers freezes
Network performance monitoring, McAfee Antivirus, Windows Performance, Windows Performance Management, HP Servers, Cisco Routers, 3Com switches, IBM Servers
On our network ,most if not all of the computers freezes.we do not know whether the problem is anti-virus or microsoft updates.we receive messages like buffer overflow and generic host process win32.can some one help with this problem.we are using mcfee anti-virus

Software/Hardware used:
hp servers,ibm servers,3com switches,cisco routers,nanoteq firewalls,server 2003,mcfee
ASKED: Oct 21 2009  1:01 PM GMT
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Labnuke99
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This is a tough one. Is it isolated to any particular client or server computers? Are there any events tracked in system event logs that can guide you into online research? A good tool for watching a system during the event is the Sysinternals Procmon utility. Can you disable AV and see if the issue happens? There have been instances of bad AV updates creating such problems. You may need to open a case with McAfee if you see that AV is creating the problem. Is AV managed through EPolicyOrchestrator? Maybe move some of the machines into different groups and have updates and or other AV events at staggered schedules. If all clients update AV at the same time, you will see some issues.

Let us know how you get on with diagnosing the event logs and any other details you can offer. We will be glad to assist further.
Last Answered: Oct 21 2009  2:13 PM GMT by Labnuke99   26695 pts.
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Carlosdl   29710 pts.  |   Oct 21 2009  4:46PM GMT

I saw something pretty similar some months ago, with the same symptoms (and the same antivirus), and it was caused by a virus infection.

I would recommend a complete scan with some other anti-virus software.

 

Bpina   90 pts.  |   Oct 22 2009  7:43PM GMT

Aside from the obvious issues with a potential virus infection, check your internal DNS servers and make sure they are in good health and good working order. Windows networking with unstable DNS servers makes for a very slow network indeed.

 

Yasirirfan   2995 pts.  |   Oct 23 2009  8:30AM GMT

This problem seems to be a some sort of trojan. These day unfortunately we too are facing lot of problems with McAfee AV . You can contact McAfee and can get the latest beta dat file.

 

KevinBeaver   7610 pts.  |   Oct 30 2009  2:59PM GMT

Sounds a lot like a malware infection to me. Clean one or two systems first - even if you have to wipe/reinstall - and see how that works.

 
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