| 99% CPU Utilization |
 Posted by
Mike Barkley
on Monday, September 05, 2005 at 10:21:24 PM (EST)
Hi folks. I have installed 602LAN Suite 2004 on my Exchange 2003 Server (Windows Server 2003 SP1) all hot fixes and updates installed. I have configured 602LAN Suite as an SMTP gateway for my Exchange server because my ISP (Verizon) summarily rejects all email that originates from an Exchange/Microsoft SMTP service within it's ISP IP address range, grr! The problem I have is that the 602LAN Suite executible runs with 99% CPU utiliztion. Exchange and 602LAN Suite are working ok with each other except for Lansuits.exe continuously running at 95-99% CPU utilization. I also run Symantec Mail Security for Exchange 4.5 on this server. What's going on here? Anyone have any ideas?
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 Posted by
Robert Smith
on Tuesday, September 06, 2005 at 10:19:52 AM (EST)
Could be a problem with your symantec software causing a conflict or disk io issues with LS. Try turning that software off and see if the cpu usage goes down. If it does, then you know you have a conflict.
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Posted by
Roy Heslop
on Wednesday, September 14, 2005 at 6:01:41 AM (EST)
I get this even when running it on its own, I end up lowering its priority on machines that don't boot often.
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Posted by
David Williams
on Tuesday, September 27, 2005 at 12:32:43 AM (EST)
I've had some success with a very similar problem - my CPU usage was only 75%.
Checking the call stack with PROCEXP showed that the threads wasting CPU time were doing RPC.
It only happens when I'm connected to the net - otherwise the CPU usage drops to zero.
I tried stopping windows services that weren't absolutely necessary, some of which I think 602LAN started itself. RemoteAccess, ALG,
Also other background processes, like my UPS monitor & temperature monitor helped.
Doing that got the CPU down below 50%, and sometimes down to normal idle levels.
It's hard to say just what it didn't like as the improvement wasn't consistent for each service.
Hope it helps,
David Williams
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Posted by
David Carlson
on Wednesday, September 28, 2005 at 1:38:51 PM (EST)
I've noticed something very similar. At some point the fax server stopped working properly and on my Win2003 machine the CPU usage went to 50%. When I stopped the fax server portion of the software and restarted the application, CPU usage would drop to 1-3%.
Support told me that this was a hardware conflict of some type, so I tried it on a completely different machine with a different OS- same result. At this point I no longer have a fax server, about which I'm sorely disappointed.
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Posted by
David Williams
on Friday, October 21, 2005 at 6:11:49 PM (EST)
I replaced dial-up with a cable modem, and the problem vanished.
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Posted by
Craig Roberts
on Thursday, September 21, 2006 at 3:31:56 PM (EST)
Actually I have just fixed it, I installed and started the service version and shutdown the app and it now sits at 1%-2%
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