Re: Windows XP systems on a particular VLAN cannot be seen



That all fits together nicely. You cannot browse across segments without
WINS. Browsing has nothing to do with DNS. It is an NT lecacy app which uses
Netbios names and broadcasts. Because broadcasts don't cross routers
browsing is limited to the local segment without WINS. WINS allows the
master browsers to see each other directly to build combined browse lists.

John Francis wrote:
Hi Phillip,

Thanks for the information. Yes, these systems were originally
pointing to a WINS server which was in a cluster. The WINS server on
the cluster had some issues and one of our network guy went and
disabled it. But, more than disabling it, there was an issue with the
WINS (may be it has a corrupted database). I have not had the time to
check that. In the meantime when we hit the problem of pushing NAV
updates to the workstations and since Symantec software could not see
them in the available computer list, I had to get another WINS server
up and running. We pointed the workstations to the new WINS server.
But, as of this morning we have not seen those workstations under "My
Network Places".
Its XP SP2 but, firewall services is disabled. Also other unwanted
services are disabled on those workstations like browser service etc..

Thanks,

"Phillip Windell" <@.> wrote in message
news:%23pAQNwAKGHA.2012@xxxxxxxxxxxxxxxxxxxxxxx
Please post in Plain Text Format and not RTF or HTML. It drives the
NewsReaders "wacky" when we try to reply.

Switches don't block that kind of stuff. They can't, they are only
Layer2 Devices.

There is about a million things that can cause problems but the most
common
thing would be that the machines are not all using the same WINS
Server. The Windows Firewall will also get in the way and should not
be used on that
LAN.

There is no "flushing" and "registering",...it just takes time.
Network Places is not "live",...it is just reading the data from a
Browse List and that list is only updated based on a time frame.

188305 - Troubleshooting the Microsoft Computer Browser Service
http://support.microsoft.com/default.aspx?scid=kb;en-us;188305

--
Phillip Windell [MCP, MVP, CCNA]
www.wandtv.com



"John Francis" <clscmmd@xxxxxxxxx> wrote in message
news:OsLxA4$JGHA.3932@xxxxxxxxxxxxxxxxxxxxxxx
Hi,

We have several VLANs and a group of XP (SP2 installed) client
sitting on several VLANs cannot be seen under My Network Places.
First thought, whether
could it be a DNS issue or a WINS issue. But, it is not, as there are
several other systems which are on different VLANs that can be seen.
(Well,
I have requested the Cisco guy to take a look at it on the switch
and see whether anything is being blocked by the switch that would
cause the browsing issues in My Network places), but thought could
post this here and
see whether I am missing something on the Microsoft Networking side.

We got few boxes from those VLANs and put them on our VLAN. The
system does
not show up immediately in My Network places, but after flushingdns
and registering dns we are able to see the system. But, we can see
the system in
our VLAN. I did the same flushdns and registerdns on those VLANs but
it could not see.

Some light if could be shed could be helpful. Thanks in advance.


.



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