[THIN] Re: Office 2003 applications hang

Jeff, just following up on this one.  Did disabling the error Reporting
Service eventually fix the issue?

On 1/25/06, Jeff Pitsch <jepitsch@xxxxxxxxx> wrote:
>
> No.  It's other applictions as well as Outlook and it affects applications
> that don't necessarily access the network.
>
> Jeff
>
>
> On 1/25/06, Ruben Spruijt <Ruben.Spruijt@xxxxxxxxxxxx> wrote:
> >
> >  Hi Jeff,
> >
> >
> >
> > It's not this issue ..? (below)
> >
> >
> >
> > Ruben
> >
> >
> >
> > > > If you have any Servers with HP NC7781 NIC's installed (Hp DL
> > > 380's, DL 360's and others), you may experience excessive
> > > retransmits, Outlook hangs, file copy performance issues, cluster
> > > failovers, etc.
> > > >
> > > > Cause:
> > > > The driver defaults to "Offload TCP transmit Checksum"
> > and "Offload
> > > Ip Transmit
> > > > Checksum". This is a performance enhancement designed to relieve
> > > the TCP and IP
> > > > components of the IP checksum calculation overhead and assign that
> > > duty to the NIC.
> > > > Normally this is a preferred method of operation. The HP NC7781
> > > NICS periodically
> > > > miscalculate the TCP checksum. This causes connection timeouts
> > > periodically and
> > > > more importantly, Outlook hangs between 10 and 20 seconds. With
> > the
> > > latest firmware
> > > > and drivers installed, the issue is still prevalent. The box that
> > > receives a
> > > > response with an incorrectly calculated checksum simply throws the
> > > malformed
> > > > response away, never delivering the data to the application.
> > > > Resolution:
> > > > In the Netcard driver configuration dialog box, disable Offload
> > > checksum
> > > > calculations. This will allow the TCP and IP components to
> > > calculate their own
> > > > checksums.This change does not require a reboot or involve a
> > > service interruption, normal
> > > >
> > > > change control procedures should of course, always be followed!
> >
> >
> >
>
>


--

Michael Pardee
www.blindsquirrel.org

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