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Guests losing network inconsistently

Source: microsoft.public.virtualserver
Sent: 08/12/2008
From: Graham M
Message:

I have Windows 2003 R2 SP1 Enterprise Ed, DELL PE6850 with MS Virtual Server
2005 R2 SP1 2 NICs, one dedicated to the host and another dedicated to the
guests. On the NIC for the guests I have disabled Client for MS Networks,
FPS and TCP/IP to resolve some performance issues. Which it did and worked
for about 3 weeks.

Now after a few hours of inactivity two of my guests lose network
connectivity. Usually logging in will kick them back, no reboot is actually
required. another interesting point is both have SQL, one 2000 Enterprise,
the other 2005 Express.

I have also tried to disabled TOE (refer to support.microsoft.com/kb/888750,
method #3)

Any thoughts of what I can try next??

Banging my head against the wall,
Graham M

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Related Messages

Re: Guests losing network inconsistently

Sent: 08/12/2008
From: Steve Jain <(email address - cut out)>
Message:

On Tue, 12 Aug 2008 09:43:03 -0700, Graham M
<(email address - cut out)> wrote:

Most current drivers?

--
Cheers,
Steve Jain, Virtual Machine MVP
http://vpc.essjae.com/
I do not work for Microsoft.

Show quoted text

>I have Windows 2003 R2 SP1 Enterprise Ed, DELL PE6850 with MS Virtual Server
>2005 R2 SP1 2 NICs, one dedicated to the host and another dedicated to the
>guests. On the NIC for the guests I have disabled Client for MS Networks,
>FPS and TCP/IP to resolve some performance issues. Which it did and worked
>for about 3 weeks.
>
>Now after a few hours of inactivity two of my guests lose network
>connectivity. Usually logging in will kick them back, no reboot is actually
>required. another interesting point is both have SQL, one 2000 Enterprise,
>the other 2005 Express.
>
>I have also tried to disabled TOE (refer to support.microsoft.com/kb/888750,
>method #3)
>
>Any thoughts of what I can try next??
>
>Banging my head against the wall,
>Graham M

Re: Guests losing network inconsistently

Sent: 08/13/2008
From: Ed
Message:

Did you get a resolution to this by installing new drivers? I have an HP
DL385 with same issues. Diferent NIC.

"Steve Jain" wrote:

Show quoted text

> On Tue, 12 Aug 2008 09:43:03 -0700, Graham M
> <(email address - cut out)> wrote:
>
> >I have Windows 2003 R2 SP1 Enterprise Ed, DELL PE6850 with MS Virtual Server
> >2005 R2 SP1 2 NICs, one dedicated to the host and another dedicated to the
> >guests. On the NIC for the guests I have disabled Client for MS Networks,
> >FPS and TCP/IP to resolve some performance issues. Which it did and worked
> >for about 3 weeks.
> >
> >Now after a few hours of inactivity two of my guests lose network
> >connectivity. Usually logging in will kick them back, no reboot is actually
> >required. another interesting point is both have SQL, one 2000 Enterprise,
> >the other 2005 Express.
> >
> >I have also tried to disabled TOE (refer to support.microsoft.com/kb/888750,
> >method #3)
> >
> >Any thoughts of what I can try next??
> >
> >Banging my head against the wall,
> >Graham M
>
> Most current drivers?
>
> --
> Cheers,
> Steve Jain, Virtual Machine MVP
> http://vpc.essjae.com/
> I do not work for Microsoft.
>

Re: Guests losing network inconsistently

Sent: 08/13/2008
From: Graham M
Message:

I am reluctant install new drivers, since this is a recent problem and was
functioning flawlessly prior to two changes:

Install of SCOM/MOM2007 SP1 RTM
Install of WMI hotfix (KB933061)

Right now I am considering rolling back the hotfix.

"Ed" wrote:

Show quoted text

> Did you get a resolution to this by installing new drivers? I have an HP
> DL385 with same issues. Diferent NIC.
>
> "Steve Jain" wrote:
>
> > On Tue, 12 Aug 2008 09:43:03 -0700, Graham M
> > <(email address - cut out)> wrote:
> >
> > >I have Windows 2003 R2 SP1 Enterprise Ed, DELL PE6850 with MS Virtual Server
> > >2005 R2 SP1 2 NICs, one dedicated to the host and another dedicated to the
> > >guests. On the NIC for the guests I have disabled Client for MS Networks,
> > >FPS and TCP/IP to resolve some performance issues. Which it did and worked
> > >for about 3 weeks.
> > >
> > >Now after a few hours of inactivity two of my guests lose network
> > >connectivity. Usually logging in will kick them back, no reboot is actually
> > >required. another interesting point is both have SQL, one 2000 Enterprise,
> > >the other 2005 Express.
> > >
> > >I have also tried to disabled TOE (refer to support.microsoft.com/kb/888750,
> > >method #3)
> > >
> > >Any thoughts of what I can try next??
> > >
> > >Banging my head against the wall,
> > >Graham M
> >
> > Most current drivers?
> >
> > --
> > Cheers,
> > Steve Jain, Virtual Machine MVP
> > http://vpc.essjae.com/
> > I do not work for Microsoft.
> >

RE: Guests losing network inconsistently

Sent: 08/28/2008
From: LoneWolf
Message:

I'm having a similar problem. Server2003 R2 host, same for guest, guest
running sql 2000 Enterprise. The host machine will randomly lose
connectivity, and only a reboot seems to work. This is very disruptive, of
course, because now both machines are down. Interestingly, sometimes the
host is down, but you can RDP into the guest OS. Sometimes it's the other
way around.

"Graham M" wrote:

Show quoted text

> I have Windows 2003 R2 SP1 Enterprise Ed, DELL PE6850 with MS Virtual Server
> 2005 R2 SP1 2 NICs, one dedicated to the host and another dedicated to the
> guests. On the NIC for the guests I have disabled Client for MS Networks,
> FPS and TCP/IP to resolve some performance issues. Which it did and worked
> for about 3 weeks.
>
> Now after a few hours of inactivity two of my guests lose network
> connectivity. Usually logging in will kick them back, no reboot is actually
> required. another interesting point is both have SQL, one 2000 Enterprise,
> the other 2005 Express.
>
> I have also tried to disabled TOE (refer to support.microsoft.com/kb/888750,
> method #3)
>
> Any thoughts of what I can try next??
>
> Banging my head against the wall,
> Graham M
>

RE: Guests losing network inconsistently

Sent: 08/28/2008
From: Graham M
Message:

Right now I have a scheduled tasks running every five minutes that pings my
guests and has seen to be a suitable workaround.

"LoneWolf" wrote:

Show quoted text

> I'm having a similar problem. Server2003 R2 host, same for guest, guest
> running sql 2000 Enterprise. The host machine will randomly lose
> connectivity, and only a reboot seems to work. This is very disruptive, of
> course, because now both machines are down. Interestingly, sometimes the
> host is down, but you can RDP into the guest OS. Sometimes it's the other
> way around.
>
> "Graham M" wrote:
>
> > I have Windows 2003 R2 SP1 Enterprise Ed, DELL PE6850 with MS Virtual Server
> > 2005 R2 SP1 2 NICs, one dedicated to the host and another dedicated to the
> > guests. On the NIC for the guests I have disabled Client for MS Networks,
> > FPS and TCP/IP to resolve some performance issues. Which it did and worked
> > for about 3 weeks.
> >
> > Now after a few hours of inactivity two of my guests lose network
> > connectivity. Usually logging in will kick them back, no reboot is actually
> > required. another interesting point is both have SQL, one 2000 Enterprise,
> > the other 2005 Express.
> >
> > I have also tried to disabled TOE (refer to support.microsoft.com/kb/888750,
> > method #3)
> >
> > Any thoughts of what I can try next??
> >
> > Banging my head against the wall,
> > Graham M
> >

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