Re: Slowdown after mounting DFS network drives

[Kevin Cullimore <kcullimo () runbox com>]

On 4/5/2010 5:35 PM, János Löbb wrote:
> On Apr 5, 2010, at 4:18 PM, Bill Meier wrote:
>
>    
> > János Löbb wrote:
> >      
> > > What do you think the problem is ??
> > >
> > >        
> >
> > It looks to me like the PC is trying several times to find a DLL on
> > the
> > server, getting a 'not found' return and then timing out for 4 or 10
> > secs and trying again.
> >
> > I suggest you open the capture file, filter on one of the TCP
> > conversations (statistics ! conversations) and see for yourself.  :)
> >
> > ___________________________________________________________________________
> >      
> Hi Bill,
>
> Yes, I saw that one, already three months ago in my wireshark
> captures, and asked the DFS server admin if there is a timeout for
> client access can it be set to a lower value and he said to me there
> is no such thing.
>
> That particular dll wshenu.dll - Windows Scripting Host English - does
> not even exist on the client PC and it does not exist on the DFS
> servers either.  However Windows Exploder, IE and any script created
> with Windows Scripting is looking for it.
> http://forum.sysinternals.com/topic5696.html
>
> Rephrasing my question, how can I use the capture file to show the DFS
> admin that there is a problem here.  I sent him similar captures 3
> months ago.
>
>    
That data would appear to be insufficient in isolation. To their 
unlikely credit, Microsoft maintains decent documentation as far as 
their protocol stacks are concerned. Conjoining both your capture and 
knowledgebase articles referencing their networking client behavior 
could result in an argument more difficult to deny/refute.
> Thanks ahead,
>
> János
> ___________________________________________________________________________
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>
>    

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