Yes,
After a reboot, CPU utilization doesn't immediately spike all the way up
but gradually starts to climb until after a few minutes, it's at around
50 to 60%.
Al
-----Original Message-----
From: MSU Network Administrators Group [mailto:[log in to unmask]] On
Behalf Of Michael Surato
Sent: Friday, July 17, 2009 4:05 PM
To: [log in to unmask]
Subject: Re: [MSUNAG] Dnscache in Svchost using over 60% of CPU?
Am I correct in assuming that this persists through reboots?
>>> On 7/17/2009 at 4:02 PM, Al Puzzuoli <[log in to unmask]> wrote:
> Thanks to everyone who has responded.
> Tried disabling IPV6, the problem remains. I've done checks for
> viruses and malware, everything comes up clean. The machine is using
> local DNS servers, and the default hosts file.
>
> At this point, I feel like the most satisfying solution would be a big
> hammer but alas, I'm guessing that wouldn't go over very well. I'm
> tempted to just do a clean reinstall of the OS, I'm betting there's a
> good chance I wouldn't see this problem again, but I hesitate to do
> that without understanding what's going on in the first place.
>
> Al
>
>
>
>
> -----Original Message-----
> From: Jeffrey Utter [mailto:[log in to unmask]]
> Sent: Friday, July 17, 2009 3:26 PM
> To: Al Puzzuoli
> Subject: RE: [MSUNAG] Dnscache in Svchost using over 60% of CPU?
>
> You can try the suggestion in the last post in this thread:
> http://social.technet.microsoft.com/Forums/en-US/itprovistanetworking/
> th
> read
> /d2a2ad2d-a406-410c-9b7a-e22104fd2e2e
>
> if that works I'll let you pass it along to NAG, but I didn't want to
> spam them a solution I hadn't tested.
>
> Good luck,
>
> Jeff Utter
>
> -----Original Message-----
> From: MSU Network Administrators Group [mailto:[log in to unmask]] On
> Behalf Of Al Puzzuoli
> Sent: Friday, July 17, 2009 2:57 PM
> To: [log in to unmask]
> Subject: [MSUNAG] Dnscache in Svchost using over 60% of CPU?
>
> Having an issue on a Vista Business box. Long story short, a case of
> very high CPU utilization. I tracked the culprit down to the DNS
> client service (Dnscache), but that's only half the battle. Now that
> I know Dnscache is the offending service, what to do about it? This
> machine is part of my domain. As far as I know, no other machines on
> the domain are exhibiting the same issue. I tried doing an ipconfig
> /flushdns, but that didn't matter.
>
> Anyone have ideas as to what might cause this and what I could do to
> fix it?
>
> Thanks,
>
>
>
> Al Puzzuoli
>
> Michigan State University
>
> Information Technologist
> http://www.rcpd.msu.edu
>
> Resource Center for Persons with Disabilities
>
> 120 Bessey Hall East Lansing, MI 48824-1033
>
> 517-884-1915
>
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