Re: WINS issue
From: Michael Giorgio - MVP (michael.giorgio_at_Nospam.mayerson.com)
Date: 02/20/05
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Date: Sun, 20 Feb 2005 09:28:54 -0500
How much of this was written by S. Umbach?
"Todd J Heron" <todd_heron_no_spam@hotmail.com> wrote in message news:
> As Bill said, browsing across subnets (My Network Places) requires a WINS
> server and a domain master browser (domainname 1B entry in WINS). You
> said
> you had WINS server in place, so now follow all the steps below to
> determine
> why the server is not showing up in My Network Places.
>
> 1) First, NetBIOS over TCP/IP must be enabled if you want a computer to
> show
> up in My Network Places. If NetBIOS over TCP/IP is enabled but the
> computer
> still cannot be seen, go to step #2.
> 2) File & Print Sharing must be enabled
> 3) No host-based firewall blocking the NetBIOS ports 137, 138 & 139
> 4) Open a command prompt and run the following command on the problem
> machine:
>
> Net config server
>
> If the output of 'Server hidden' displays 'Yes' that's the problem. If
> value is 'No" go to step #5.
> 5) The machine description cannot be more than 48 characters or else the
> it
> will not appear in Network Places.
> 6) A master browser on that subnet may have recently been turned off or
> re-started. If no master browsers have been turned off or re-started
> recently, go to step #7.
> 7) Go to the Local (Subnet) Master Browser and verify if you can see the
> missing computer in it's Network Neighborhood. You determine a Local
> (Subnet) Master Browser by running the command "browstat status" on any
> computer in that subnet. Browstat.exe is a Resource Kit utility. If you
> can find the missing computer in the Network Neighborhood of the Local
> (Subnet) Master Browser, then go to the Domain Master Browser (which
> should
> be the PDC Emulator in a Windows 2000 or above domain, or the PDC in an NT
> 4.0 domain (domainname 1B entry in WINS)), and see if you can find the
> missing computer in it's Network Neighborhood. If you do not see the
> missing computer then the problem is with the sharing of the browse list
> between the Local (Subnet) Master Browser and the Domain Master Browser.
> This can be caused by who has the IsDomainMaster setting in the registry.
> Go to both the Local (Subnet) Master Browser and Domain Master Browser and
> see and compare this registry setting. It exists at:
>
> HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Browser\Parameters
>
> Normally, only the Domain Master Browser should be configured for the
> IsDomainMaster setting. Without a PDC or PDCE, browsing is limited to the
> local segment. (Only a PDC or PDCE has the ability to merge browse lists.)
>
> Any server which can potentially be a Master Browser should have the
> "IsDomainMaster" setting set to TRUE.
>
> 8) Restart the Computer Browser service on the Domain Master Browser (The
> PDC of an NT 4 domain or the PDC Emulator of a Windows 2000 or above
> domain). Although this may not be necessary it can't hurt.
> 9) Run the command browstat elect <transport> <domain> on a computer in
> the
> subnet where browsing is a problem. You can obtain <transport>
> information
> by running the command browstat status, and <domain> is the NetBIOS name
> of
> you domain.
>
> This forces an election in the subnet for a new Master Browser. A new
> Master Browser will, hopefully, have the correct, updated list of NetBIOS
> resources in the domain.
>
> NOTE: A common end-user workstation can be a Subnet Master Browser and
> this
> is not necessarily, in and of itself, a problem for domain browsing (esp.
> in
> situations where there are no servers on that subnet). Most corporate
> environments maintain servers in a common Data Center and therefore there
> will be end-user workstations functioning as Subnet Master Browsers. As
> long as it keeps an updated list all should be fine.
>
> 102878 - Information on Browser Operation:
> http://support.microsoft.com/?id=102878
>
> 102878 - Information on Browser Operation:
> http://support.microsoft.com/?id=102878
>
> SRX040902603949
> -----------------------------------
> The first thing I would do is to disable the built in firewalls on the XP
> SP2 computer or modify them so that they allow traffic from your subnet on
> ports 137 UDP,138 UDP,139 TCP, and 445 TCP. If you are protected from the
> internet by a router/firewall I would simply disable the ICF firewall on
> all
> the computers. Also give some time for the browse list to build and be
> sure
> to shut down the computers properly. Since you have a server I would also
> configure wins on it and make sure that all computers are wins clients
> including that the server is a wins client to itself.
>
> By default netbios over tcp/ip should be enabled on all the computers
> [tcp/ip properties/advanced/wins]. If you run Ipconfig /all it will tell
> you
> ONLY if it is disabled. Running nbtstat -n on each computer should show at
> least three name registries with the server probably showing more and at
> least one computer needs to show that it is a master browser. Personal
> firewalls or other "protection" software may interfere with the browse
> list
> and often booting into safe mode with networking will bypass such
> programs.
>
> 11-16-04
> S. Umbach
>
> --
> Todd J Heron, MCSE
> Windows Server 2003/2000/NT
> ----------------------------------------------------------------------------
> This posting is provided "as is" with no warranties and confers no rights
>
>
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