Re: Master Browser Problems
From: Darren Bird (DarrenBird_at_discussions.microsoft.com)
Date: 10/01/04
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Date: Fri, 1 Oct 2004 04:59:03 -0700
Neither servers multihomed, as to allow OWA over the internet our 3com
firewall uses a feature called one-to-one NAT which allow me to map the
internal/external IP addresses on the Firewall for certain ports only (443
for SSL).
When an election occurs should the current master browser log this in the
event log, as when I start the browser service on xsol-gold, xsol-exchange
does not log the fact that an election has been forced. Could this be my
issue, as it would seem that xsol-exchange is not listening for netbios
commands.
I have ruled out firewalls etc as I dis-connected both servers from the main
network and connected them via a seperate hub and still got the same results,
so this rules out a switch/firewall problem.
Is there anyway to check to see if xsol-exchange is listening properly for
browser/netbios related commands?
"Bill Grant" wrote:
> Since one DC is running Exchange and IIS I presume that it is
> multihomed. Multihomed browsers are a logstanding pain! A client fails to
> find a browse list because it looks at the "wrong" IP address. This causes a
> browser election (because the machine assumes that the master browser is
> dead).
>
> I would give xsol-gold the PDC role (because it is not multihomed). Then
> make sure that Netbios over TCP/IP is disabled on the external NIC of the
> Exchange/IIS server. Only the private IP of this machine should register in
> WINS if it is a potential browse master. Or stop the browser service on
> this machine and use some other single-homed machine as a backup browser.
>
> See KB 188305 and 191611 .
>
> "Darren Bird" <DarrenBird@discussions.microsoft.com> wrote in message
> news:2F47B462-1F58-42AA-91E6-3E848D7DC3F9@microsoft.com...
> > Only have one subnet, so subnets is not the problem
> >
> > Cleared the WINS Database and re-registered both server manually. WINS
> > reports the master browsers IP Address Correctly.
> >
> > Did not make changes as per KB292822 as the RRAS is now just a member
> > server
> > and running on a server that does not have WINS or DNS servers loaded. It
> > only uses them from a Client point of view. The RRAS server also has the
> > browser service disabled.
> >
> > I also disabled the computer browser service on all clients using a group
> > policy, so the only two computers running the browser service are
> > xsol-gold &
> > xsol-exchange.
> >
> > When I start the browser service on xsol-gold, it logs an election has
> > been
> > forced in the event log, but xsol-exchange does not log anything. Should
> > it?
> > then approx 2mins 30 secs after starting I then get the error 8021 -
> > unable
> > to retrive list of servers from the browser master \\xsol-exchange.
> >
> > This happens without fail everytime is start to browser service on
> > xsol-gold
> > after trying troubleshooting.
> >
> > Thanks for the advice so far - hopefully we can get to the bottom of this
> > one.
> >
> > "Bill Grant" wrote:
> >
> >> Moving RRAS to a member server should have cleared up the browsing
> >> problem. Did you check WINS to make sure there are not any stale records
> >> still there pointing to a "wrong" IP for the domain master browser? See
> >> KB
> >> 292822 .
> >>
> >> "Darren Bird" <DarrenBird@discussions.microsoft.com> wrote in message
> >> news:180B5D81-11D8-4957-AB32-069F6AFBDA62@microsoft.com...
> >> > Have now removed Routing and Remote Access as I have read that
> >> > multihomed
> >> > Computers can have problems with master browsers etc. I have move R&R
> >> > with
> >> > VPN to a member server (2003) but am still getting the same problem
> >> >
> >> > "Darren Bird" wrote:
> >> >
> >> >> Hi
> >> >>
> >> >> I have a annoying issue that i have been trying to resolve for ages
> >> >> now.
> >> >> I
> >> >> will explain setup in full to assist troubleshooting.
> >> >>
> >> >> I have two main servers. One is called Xsol-Gold and the other
> >> >> Xsol-Exchange.
> >> >>
> >> >> Both are running Windows 2003 Server Standard.
> >> >>
> >> >> Xsol-gold is Domain Controller. It is also a Global Catalog and also a
> >> >> infrasructure master. This server is used as a file server and print
> >> >> server.
> >> >>
> >> >> Xsol-Exchange is also a Domain Controller, It is also a global catalog
> >> >> and
> >> >> is the RID operations master and PDC operations master. This server is
> >> >> used
> >> >> for exchange 2003 SP1 and also has IIS installed to allow outlook web
> >> >> access
> >> >> and remote users to update virus software.
> >> >>
> >> >> Xsol-gold is setup up as a DNS server, DHCP Server and Wins Server.
> >> >> Both
> >> >> servers are on the same subnet and all relevant dns and wins info
> >> >> entered
> >> >>
> >> >> Xsol-Exchange will elect itself as a master browser as I would expect
> >> >> because it is a Master domain controller the problem I am getting is
> >> >> that
> >> >> Xsol-gold, will display in the event system log the following every
> >> >> few
> >> >> hours.
> >> >>
> >> >> The browser service was unable to retrieve a list of servers from the
> >> >> browser master \xsol-exchange on the network DeviceNetBT_Tcpip_etcetc
> >> >>
> >> >> Then followed by
> >> >>
> >> >> The browser service has failed to retrieve the backup list to many
> >> >> times
> >> >> on
> >> >> transport DeviceNetBT_Tcipi_etc....... The backup browser is stopping
> >> >>
> >> >>
> >> >> If I swap the roles of the two servers ie make xsol-gold thr RID
> >> >> master
> >> >> and
> >> >> PDC Master, I get the exact same except this time the browser service
> >> >> is
> >> >> unable to retrieve from \xsol-gold.
> >> >>
> >> >> Xsol-exchange is still able to browse the network from my network
> >> >> places,
> >> >> but xsol-gold and all other pc's on the network (Win2k & XP) are
> >> >> unable
> >> >> to
> >> >> browse. When I click on Entire network and then Microsoft windows
> >> >> network
> >> >> there is a delay of approx 25 seconds before the workgroup/domain list
> >> >> is
> >> >> presented (there is only one domain) and when I click on the domain
> >> >> after
> >> >> another delay of 25 seconds i get the following error
> >> >>
> >> >> "domain" is not accessible. you might not have permissions to use this
> >> >> network resource. The semaphore timeout has expired.
> >> >>
> >> >> I am logged in with full domain admin rights.
> >> >>
> >> >> I can still access the servers from the run command by typing
> >> >> \xsol-gold
> >> >> etc. I can ping the servers all all times and get good response times.
> >> >> I
> >> >> have
> >> >> checked the switch etc and nothing seems to be wrong there.
> >> >>
> >> >> This is getting frustrating now, as i would really like to solve this
> >> >> issue.
> >> >> Does anyone have any ideas[/i]
> >>
> >>
> >>
>
>
>
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