Hello,
After a ton of testing/experimenting, I think I've given up. I've removed
Norton and installed MIcrosoft Security Essentials, and the problem is now
gone. For the record, here is what I did:
-restored NAV to all default settings, reset firewall
-uninstalled/reinstalled NAV
-somewhat narrowed the problem down to the issue occuring when the computers
resume from sleep. if all the computers were off, then turned on, the problem
did not occur. once a computer had been put to sleep and then woken up it had
trouble with file access (very slow access to opening shared files). this
happened with both a Vista and Window 7 computer. this was replicated across
machines.
-at all times if I disabled "AntiVirus Auto-Protect" (right click on the
norton icon in system tray) I have no problem accessing shared files, even if
the computer has been sleeping.
This was also posted on the Norton forums:
http://bit.ly/6CzCfH
Thanks for your help. I never had this problem with Norton and XP so who
knows what the solution is.
"Jack [MVP-Networking]" wrote:
> Hi
> Disabling the 3rd party security software is not really getting it out of
> the Network' stacks. You would have prevent it from loading at startup, or
> totally uninstall it in order to see if it is the culprit.
> Jack (MS, MVP-Networking).
>
>
> "ctc" <> wrote in message
> news:16EB7D8B-35E5-43C3-8874-...
> >I am experiencing a significant slowdown when sharing files over a
> > home network. Here is the scenario:
> >
> > 5 computers: 3 have Vista sp2, 1 has Windows 7, 1 has XP sp3
> >
> > All computers are running Norton Internet Security 2009.
> >
> > 1 of the Vista computers (host) is set up to share documents via the
> > public
> > folder.
> >
> > When the XP computer accesses shared files on the Vista computer, there
> > are
> > no problems. But when using either the remaining Vista computers or
> > Windows 7
> > computer to access the shared files on the Vista computer (host), there is
> > a
> > significant slowdown. It takes a long time for the file to open. From what
> > I
> > can tell, Norton is doing a full scan on the shared file before
> > it "downloads" it. For example, in Excel 2007 there is a status bar in the
> > bottom right corner while the file opening/downloading over the network.
> >
> > If I disable Norton autoprotect the problem goes away, but obviously this
> > isn't the way to fix the problem.
> >
> > I recognize this is probably an issue with Norton, or at least the way
> > Norton is interacting with Vista, but I have no idea how to fix it, other
> > than removing Norton and using another virus software. Contacting Norton
> > has
> > gotten me nowhere.
> >
> > All computers have the latest MS updates. I have tried uninstalling and
> > reinstalling Norton, with no success. I have also replicated the issue all
> > the other Vista computers, by setting them up as the "host" computer, to
> > rule
> > a problem specific to the original Vista computer - same problem occurs.
> >
> > Is there a way to fix this problem, or is it just a function of Norton and
> > Vista interacting poorly? Just to be clear, there are no issues when
> > accessing the internet via the same shared router. I also just added a
> > Window
> > 7 computer to the network, with Norton 2010, and the same problem occurs
> > (the
> > file eventually opens after a long lag/once scanning completes).
> >
> > Norton is the biggest anti-virus company out there. I just can't believe
> > this is a known issue that hasn't been fixed. So I'm hoping I'm doing
> > something wrong.
> >
> > Thank you.
>
> .
>
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