"graemeg" <grae***@discussions.microsoft.com> wrote in message
news:FCD8A358-D505-437B-B9FB-62D83501E2D4@microsoft.com...
> Hello
> I am having problems with a wireless network.
> I have 2 wireless PCs, one running XP Pro SP2 and the other running Vista.
> Frequently (after the PCs are dormant for some time) they cannot access
> the
> server (or any other PC) by name.
> However, I can often ping the other PCs.
> Sometimes I can reconnect by pinging the server by IP address but not
> always
> and I as a result, I need to restart the PC.
> The signal strength is very good and I have changed channels to avoid the
> busy ones.
> I upgraded the wireless router.
> I have tried using fixed IP addresses and disabling DHCP.
> None of this has improved things.
> I do not have this problem with 2 other PCs which are hardwired.
> I have spent much time on this so any help would be greatly appreciated.
>
>
> Many thanks

"Jack (MVP-Networking)." wrote:

> Hi
> Look at the power saving setting of the Network cards. Usually you would
> find entries in the cards drivers.
> Either get them out of the sleeping mode (I.e. the computer would go the
> sleep but the card will stay awake), or if there is a setting that
> specifically can be checked to wake the card on LAN traffic, check it.
> Example, http://www.ezlan.net/example/powersave.jpg
> In Vista, Control Panel/Power Options/Edit Plan Setting/Change Advanced
> power settings you would find an entry for the Network card to.
> http://www.ezlan.net/vista/vista-power-saving3.jpg
> Please note that it is possible that No matter what you do the Wireless
> might be a problem. It is a design issue of how current Wireless cards work.
> Jack (MS, MVP-Networking)
>
> "graemeg" <grae***@discussions.microsoft.com> wrote in message
> news:FCD8A358-D505-437B-B9FB-62D83501E2D4@microsoft.com...
> > Hello
> > I am having problems with a wireless network.
> > I have 2 wireless PCs, one running XP Pro SP2 and the other running Vista.
> > Frequently (after the PCs are dormant for some time) they cannot access
> > the
> > server (or any other PC) by name.
> > However, I can often ping the other PCs.
> > Sometimes I can reconnect by pinging the server by IP address but not
> > always
> > and I as a result, I need to restart the PC.
> > The signal strength is very good and I have changed channels to avoid the
> > busy ones.
> > I upgraded the wireless router.
> > I have tried using fixed IP addresses and disabling DHCP.
> > None of this has improved things.
> > I do not have this problem with 2 other PCs which are hardwired.
> > I have spent much time on this so any help would be greatly appreciated.
> >
> >
> > Many thanks
>
>