Question about browsing problems

Hi, My situation is that :

two DC for one domain test.com, one DC is win2k and
another is win2003. when I added a subdomain
sub.test.com , I found that on all test.com's client
machine, when they click 'network neighbour--> test.com,
they can't browsing , there have no machine inside it.

So could anybody tell me why ?

Network neighborhood has nothing to do with DNS type names. It works
solely on Netbios names, which rules out names with periods in them. If NN
is empty, browsing isn't active in that segment, or the client can't see the
browse master. Are you getting browser election messages in event viewer?

Are these servers separated by IP routers? Because the browser service
depends on broadcasts, you may have trouble building a network-wide browse
list in a segmented network. The standard way around this is to run a WINS
server. WINS provides the browse masters with the information they need to
build merged browse lists across IP routers.

Also note that browsing may be disrupted if the servers are multihomed.

"York" <(E-Mail Removed)> wrote in message
news:064701c3db1b$56d649f0$(E-Mail Removed)...
> Hi, My situation is that :
>
> two DC for one domain test.com, one DC is win2k and
> another is win2003. when I added a subdomain
> sub.test.com , I found that on all test.com's client
> machine, when they click 'network neighbour--> test.com,
> they can't browsing , there have no machine inside it.
>
> So could anybody tell me why ?