Netlogon 5783



For about there mounts I<m having small network problem, with clients, that
are getting mor and more problematic. And with this month it is getting very
problematic. The problem worsened when we move root domain controller in
different location. The IP of domain controllers are the same, we change only
Vlans, and reconfigured Netscreen box. Both root domain controllers are
getting the following error:

Event Type: Error
Event Source: NETLOGON
Event Category: None
Event ID: 5783
Date: 18.08.2005
Time: 13:35:19
User: N/A
Computer: DC2r
The session setup to the Windows NT or Windows 2000 Domain Controller
\\DC1b.b.root.local for the domain B-Domain is not responsive. The current
RPC call from Netlogon on \\DC2r to \\ DC1b.b.root.local has been cancelled.

Running Netdiag /debug sitch from DC1r, give me the following error, but no
error from DC2r.
LDAP test. . . . . . . . . . . . . : Passed
Do NTLM authenticated LDAP call to 'DC2r.rool.local'.
[FATAL] Cannot do NTLM authenticated ldap_bind to 'DC2r.rool.local':

Do Negotiate authenticated LDAP call to 'DC2r.rool.local'.
[FATAL] Cannot do Negotiate authenticated ldap_bind to
'DC2r.rool.local': Timeout.

On DC1r there is Exchange 2000 server, witch is Exchange system manager is
getting slower and slower. No other errors are reported.

I run the following tests :
netdiag /debug
dcdiag /v
repadmin /showconn
repadmin /kcc
Nltest /dsgetdc: /pdc /force /avoidself
dnslint /ad /s
dnslint /ad /s
dnslint /ad /s localhost
dnslint /d root.local

The entire past ok.

Before moving DC from one location to another location a get the following
errors on Clients

Event Type: Warning
Event Source: LSASRV
Event Category: SPNEGO (Negotiator)
Event ID: 40960
Date: 17.08.2005
Time: 14:04:37
User: N/A
Computer: Client1
The Security System detected an authentication error for the server
cifs/CD2r.root.local. The failure code from authentication protocol Kerberos
was "There are currently no logon servers available to service the logon
0000: c000005e

On one Client in DMZ witch is FE Exchange server get strange error.
Event Type: Error
Event Source: NETLOGON
Event Category: None
Event ID: 5719
Date: 17.08.2005
Time: 15:11:21
User: N/A
Computer: FEExchange
This computer was not able to set up a secure session with a domain
controller in domain ROOT due to the following:
The authentication service is unknown.
This may lead to authentication problems. Make sure that this computer is
connected to the network. If the problem persists, please contact your domain

If this computer is a domain controller for the specified domain, it sets up
the secure session to the primary domain controller emulator in the specified
domain. Otherwise, this computer sets up the secure session to any domain
controller in the specified domain.
0000: c0020030

Typical problem with these FE server is usually when you open OWA and you
get log on windows , you type user name and password and it takes a long time
that something happens, sometimes you have to refresh screen, sometimes you
log on just fine. And i thing these is related with problem in Root domain,
where is Exchange server. A lot of users a getting pop up messages to type
user name and password in there outlook clients, and so on...
The netlogon 5783 errors are popping up on both DC in root domain and all
others DC, and all clients. All domain are connected through the same
netscreen and FE Exchange server to.

I would like to find out if the netscreen is the problem, ore Vlans are the
problems, or just non working DC.

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