> I'm running MS Virtual PC on fully patched XP with W2003 as a guest. I
> start a ping from guest to host and host to guest, and it will run for
> about 10-20 minutes without issue. At some point it just stops/pauses
> and I just get "Request timed out" on both sides. From either side I
> can ping another system on the network with no problem - they just
> don't ping each other anymore.
>
> Now get this: If I open a browser window to any website on the host,
> all of a sudden both environments continue their pings again. I can
> open a browser to an internet site in the guest, but that doesn't
> "unclog" the connection between the host and guest.
>
> I don't see anything in event logs, nothing weird in pfirewall.log
> which I turned on just for this. I've temporarily turned off Windows
> Firewall for both environments, though I don't like that state. I'm
> running Norton Antivirus 2006 but that doesn't monitor network
> traffic. I'm not running any other a/v, port scanning, or firewalls
> except an external hardware firewall.
>
> Can someone lead me to any diagnostics I can use to figure out why the
> comms are dropping here?
>
> Thanks.
>

>I'm running MS Virtual PC on fully patched XP with W2003 as a guest. I
>start a ping from guest to host and host to guest, and it will run for
>about 10-20 minutes without issue. At some point it just stops/pauses
>and I just get "Request timed out" on both sides. From either side I
>can ping another system on the network with no problem - they just
>don't ping each other anymore.
>
>Now get this: If I open a browser window to any website on the host,
>all of a sudden both environments continue their pings again. I can
>open a browser to an internet site in the guest, but that doesn't
>"unclog" the connection between the host and guest.
>
>I don't see anything in event logs, nothing weird in pfirewall.log
>which I turned on just for this. I've temporarily turned off Windows
>Firewall for both environments, though I don't like that state. I'm
>running Norton Antivirus 2006 but that doesn't monitor network
>traffic. I'm not running any other a/v, port scanning, or firewalls
>except an external hardware firewall.
>
>Can someone lead me to any diagnostics I can use to figure out why the
>comms are dropping here?
>
>Thanks.

>I would have you look at the Power Management settings for thst NIC.
> By default, >they are set to "Allow the Device to Turn Off" to Save
> Power, even on a desktop.
>--
>MCP (2K) Net+, A+
>Server-Networking MVP
>I'm running MS Virtual PC on fully patched XP with W2003 as a guest. I
>start a ping from guest to host and host to guest, and it will run for
>about 10-20 minutes without issue. At some point it just stops/pauses
>and I just get "Request timed out" on both sides. From either side I
>can ping another system on the network with no problem - they just
>don't ping each other anymore.
>
>Now get this: If I open a browser window to any website on the host,
>all of a sudden both environments continue their pings again. I can
>open a browser to an internet site in the guest, but that doesn't
>"unclog" the connection between the host and guest.
>
>I don't see anything in event logs, nothing weird in pfirewall.log
>which I turned on just for this. I've temporarily turned off Windows
>Firewall for both environments, though I don't like that state. I'm
>running Norton Antivirus 2006 but that doesn't monitor network
>traffic. I'm not running any other a/v, port scanning, or firewalls
>except an external hardware firewall.
>
>Can someone lead me to any diagnostics I can use to figure out why the
>comms are dropping here?
>
>Thanks.