Re: Topology Discovery failed.

Nue,

Only one Domain controller 2003 (AD DHCP DNS WINS)

Exchange 2003 sp2 member.

In DNS deleted roots. DNS in IP configuration of DC is set as IP of network
card.

ASK what you need. May be to run some utility.

The problem is intermitent. For 40 minutes bunch of "RED" events log. This
time
I cannot access AD and EM. After it comes back. Or works after restart for
25 minutes and again cannot find DC. REAL ...not good...

What to do ?
Thanks,
Michael.

"Nuevo" wrote:

> Describe how you have DNS setup on your DC. Which DNS servers does it use to
> resolve name resolution?
>
> Confirm that there is only one DC.
>
> Nue
> "MLA!" <MLA@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
> news:030B3B3C-0F86-44AB-8AD1-AE7BD7D5D4DA@xxxxxxxxxxxxxxxx
> > Hi,
> > thank you for the answer.
> >
> > Here is my DCDIAG and NETDIAG.
> > You are right... Why it happens? WHAT TO DO NEXT :)
> >
> > C:\Documents and Settings\stan>dcdiag /s:ray
> >
> > Domain Controller Diagnosis
> >
> > Performing initial setup:
> > Done gathering initial info.
> >
> > Doing initial required tests
> >
> > Testing server: Default-First-Site\RAY
> > Starting test: Connectivity
> > The host d0b0e93e-2fb2-4a15-8bf9-e16472e63193._msdcs.Xyz.local
> > could not be res
> > IP address. Check the DNS server, DHCP, server name, etc
> > ......................... RAY failed test Connectivity
> >
> > Doing primary tests
> >
> > Testing server: Default-First-Site\RAY
> > Skipping all tests, because server RAY is
> > not responding to directory service requests
> >
> > Running partition tests on : ForestDnsZones
> > Starting test: CrossRefValidation
> > ......................... ForestDnsZones passed test
> > CrossRefValidation
> > Starting test: CheckSDRefDom
> > ......................... ForestDnsZones passed test CheckSDRefDom
> >
> > Running partition tests on : DomainDnsZones
> > Starting test: CrossRefValidation
> > ......................... DomainDnsZones passed test
> > CrossRefValidation
> > Starting test: CheckSDRefDom
> > ......................... DomainDnsZones passed test CheckSDRefDom
> >
> > Running partition tests on : Schema
> > Starting test: CrossRefValidation
> > ......................... Schema passed test CrossRefValidation
> > Starting test: CheckSDRefDom
> > ......................... Schema passed test CheckSDRefDom
> >
> > Running partition tests on : Configuration
> > Starting test: CrossRefValidation
> > ......................... Configuration passed test
> > CrossRefValidation
> > Starting test: CheckSDRefDom
> > ......................... Configuration passed test CheckSDRefDom
> >
> > Running partition tests on : Xyz
> > Starting test: CrossRefValidation
> > ......................... Xyz passed test CrossRefValidation
> > Starting test: CheckSDRefDom
> > ......................... Xyz passed test CheckSDRefDom
> >
> > Running enterprise tests on : Xyz.local
> > Starting test: Intersite
> > ......................... Xyz.local passed test Intersite
> > Starting test: FsmoCheck
> > ......................... Xyz.local passed test FsmoCheck
> >
> > C:\Documents and Settings\stan>nslookup
> > Default Server: ray.xyz.local
> > Address: 10.1.0.10
> >
> >> ray
> > Server: ray.xyz.local
> > Address: 10.1.0.10
> >
> > Name: ray.Xyz.local
> > Address: 10.1.0.10
> >
> >> riff
> > Server: ray.xyz.local
> > Address: 10.1.0.10
> >
> > Name: riff.Xyz.local
> > Address: 10.1.0.20
> >
> >> exit
> >
> > C:\Documents and Settings\stan>netdiag
> >
> > ...................................
> >
> > Computer Name: RIFF
> > DNS Host Name: riff.Xyz.local
> > System info : Microsoft Windows Server 2003 (Build 3790)
> > Processor : x86 Family 6 Model 7 Stepping 3, GenuineIntel
> > List of installed hotfixes :
> > KB890046
> > KB893756
> > KB896358
> > KB896422
> > KB896424
> > KB896428
> > KB898715
> > KB899587
> > KB899588
> > KB899589
> > KB899591
> > KB900725
> > KB901017
> > KB901214
> > KB902400
> > KB904706
> > KB905414
> > KB905915
> > KB908519
> > KB910437
> > KB912919
> > Q147222
> >
> >
> > Netcard queries test . . . . . . . : Passed
> >
> >
> >
> > Per interface results:
> >
> > Adapter : Local Area Connection
> >
> > Netcard queries test . . . : Passed
> >
> > Host Name. . . . . . . . . : riff
> > IP Address . . . . . . . . : 10.1.0.20
> > Subnet Mask. . . . . . . . : 255.255.0.0
> > Default Gateway. . . . . . : 10.1.0.1
> > Primary WINS Server. . . . : 10.1.0.10
> > Dns Servers. . . . . . . . : 10.1.0.10
> > 139.142.134.133
> >
> >
> > AutoConfiguration results. . . . . . : Passed
> >
> > Default gateway test . . . : Passed
> >
> > NetBT name test. . . . . . : Passed
> > [WARNING] At least one of the <00> 'WorkStation Service', <03>
> > 'Messenger Service', <20> '
> >
> > WINS service test. . . . . : Passed
> >
> >
> > Global results:
> >
> >
> > Domain membership test . . . . . . : Passed
> >
> >
> > NetBT transports test. . . . . . . : Passed
> > List of NetBt transports currently configured:
> > NetBT_Tcpip_{9A3214F0-0664-493A-A876-18580BF7C627}
> > 1 NetBt transport currently configured.
> >
> >
> > Autonet address test . . . . . . . : Passed
> >
> >
> > IP loopback ping test. . . . . . . : Passed
> >
> >
> > Default gateway test . . . . . . . : Passed
> >
> >
> > NetBT name test. . . . . . . . . . : Passed
> > [WARNING] You don't have a single interface with the <00> 'WorkStation
> > Service', <03> 'Messeng
> >
> >
> > Winsock test . . . . . . . . . . . : Passed
> >
> >
> > DNS test . . . . . . . . . . . . . : Passed
> >
> >
> > Redir and Browser test . . . . . . : Passed
> > List of NetBt transports currently bound to the Redir
> > NetBT_Tcpip_{9A3214F0-0664-493A-A876-18580BF7C627}
> > The redir is bound to 1 NetBt transport.
> >
> > List of NetBt transports currently bound to the browser
> > NetBT_Tcpip_{9A3214F0-0664-493A-A876-18580BF7C627}
> > The browser is bound to 1 NetBt transport.
> >
> >
> > DC discovery test. . . . . . . . . : Failed
> > [FATAL] Cannot find DC in domain 'XYZ'. [ERROR_NO_SUCH_DOMAIN]
> >
> >
> > DC list test . . . . . . . . . . . : Failed
> > 'XYZ': Cannot find DC to get DC list from [test skipped].
> >
> >
> > Trust relationship test. . . . . . : Failed
> > 'XYZ': Cannot find DC to get DC list from [test skipped].
> > [FATAL] Secure channel to domain 'XYZ' is broken.
> > [ERROR_NO_LOGON_SERVERS]
> >
> >
> > Kerberos test. . . . . . . . . . . : Skipped
> > 'XYZ': Cannot find DC to get DC list from [test skipped].
> >
> >
> > LDAP test. . . . . . . . . . . . . : Failed
> > Cannot find DC to run LDAP tests on. The error occurred was: The
> > specified domain either does
> >
> > [WARNING] Cannot find DC in domain 'XYZ'. [ERROR_NO_SUCH_DOMAIN]
> >
> >
> > Bindings test. . . . . . . . . . . : Passed
> >
> >
> > WAN configuration test . . . . . . : Skipped
> > No active remote access connections.
> >
> >
> > Modem diagnostics test . . . . . . : Passed
> >
> > IP Security test . . . . . . . . . : Skipped
> >
> > Note: run "netsh ipsec dynamic show /?" for more detailed information
> >
> >
> > The command completed successfully
> >
> > C:\Documents and Settings\stan>
> >
> >
> > "Nuevo" wrote:
> >
> >> You have a problem connecting to your Global Catalog server. Have tested
> >> your domain controller connectivity using DCDiag? Also use Netdiag and
> >> find
> >> out what errors you are getting.
> >>
> >> Nue
> >> "MLA!" <MLA@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
> >> news:A03EFFAC-335E-4001-8260-0BB5F670EC97@xxxxxxxxxxxxxxxx
> >> > Hi,
> >> > I have:
> >> >
> >> > Network:
> >> > One subnet; 2003 Domain Controller; Exchange 2003(sp2) on 2003 member
> >> > server.
> >> > AD is up and running more than 20 days on small network.
> >> >
> >> > Problem:
> >> > Today I found that every few hours I loose Exchange access.
> >> > I cannot open AD users from Exchange Server I cannot open EMS.
> >> >
> >> > The weird thing is that it's stop to work and start by itself.
> >> > In the moment that it's not accessible all Automatic services are
> >> > Started.
> >> >
> >> > In Application log the main error that appears every second during this
> >> > stop
> >> > time:
> >> > Source:MSExchange AL
> >> > Category: LDAP operations
> >> > Event ID: 8026
> >> > LDAP bind was unsuccessfull on Directory.
> >> > Directory returned error (0x51) Server down.
> >> >
> >> >
> >> > And couple of
> >> > Source: MSExchange DSAccess
> >> > Category: Topology
> >> > Event ID: 2102
> >> > Process MAD.EXE (PID=452)
> >> > All Domain Controller Servers in use are not responding.
> >> >
> >> > Event ID: 2114
> >> > Process MAD.EXE (PID=2424)
> >> > Topology Discovery failed , error 0xffffffffffffff
> >> >
> >> > For me it's a nightmare... :) It worked fine and suddenly...
> >> >
> >> > I checked Application log and found that it happend once for 20 minutes
> >> > on
> >> > Jan 5-06
> >> > for 10 minutes.
> >> >
> >> > What to do?
> >> > There are no BAD events on DOMAIN controller server.
.

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