win2003 events

I am getting the following events regularly in my dc.

Domain controller Events (win2003R2,SP2)


Event Type:      Error
Event Source:      MRxSmb
Event Category:      None
Event ID:      8003
Date:            17-04-10
Time:            2:33:18 PM
User:            N/A
Computer:      VIVUS
Description:
The master browser has received a server announcement from the computer BOSSER that believes that it is the master browser for the domain on transport NetBT_Tcpip_{C112CD12-5D3A-4176-86. The master browser is stopping or an election is being forced.

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
Data:
0000: 00 00 00 00 03 00 4e 00   ......N.
0008: 00 00 00 00 43 1f 00 c0   ....C..À
0010: 00 00 00 00 00 00 00 00   ........
0018: 06 00 00 00 00 00 00 00   ........
0020: 00 00 00 00 00 00 00 00   ........





Event Type:      Warning
Event Source:      W32Time
Event Category:      None
Event ID:      12
Date:            14-04-10
Time:            3:45:16 PM
User:            N/A
Computer:      VIVUS
Description:
Time Provider NtpClient: This machine is configured to use the domain hierarchy to determine its time source, but it is the PDC emulator for the domain at the root of the forest, so there is no machine above it in the domain hierarchy to use as a time source.  It is recommended that you either configure a reliable time service in the root domain, or manually configure the PDC to synchronize with an external time source.  Otherwise, this machine will  function as the authoritative time source in the domain hierarchy.  If an external  time source is not configured or used for this computer, you may choose to disable  the NtpClient.

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.








Event Type:      Warning
Event Source:      LSASRV
Event Category:      SPNEGO (Negotiator)
Event ID:      40960
Date:            14-04-10
Time:            3:45:17 PM
User:            N/A
Computer:      VIVUS
Description:
The Security System detected an authentication error for the server ldap/vivus.srinivasalocal.com.  The failure code from authentication protocol Kerberos was "There are currently no logon servers available to service the logon request.
 (0xc000005e)".

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
Data:
0000: 5e 00 00 c0               ^..À    

2. Member server Events (win2003r2 sp2)

Event Type:      Information
Event Source:      DnsApi
Event Category:      None
Event ID:      11160
Date:            16/04/2010
Time:            8:01:28 PM
User:            N/A
Computer:      FILESERVER
Description:
The system failed to register pointer (PTR) resource records (RRs) for network adapter
with settings:

   Adapter Name : {91D684A5-2FBE-45C0-95F6-E0BE2DBE7400}
   Host Name : fileserver
   Adapter-specific Domain Suffix : srinivasalocal.com
   DNS server list :
           128.128.XX.XX, 125.22.47.125
   Sent update to server : 128.128.243.3
   IP Address : 128.128.XX.XX

 The reason that the system could not register these RRs was because of a security related problem. The cause of this could be (a) your computer does not have permissions to register and update the specific DNS domain name set for this adapter, or (b) there might have been a problem negotiating valid credentials with the DNS server during the processing of the update request.

 You can manually retry DNS registration of the network adapter and its settings by typing "ipconfig /registerdns" at the command prompt. If problems still persist, contact your DNS server or network systems administrator.

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
Data:
0000: 39 23 00 00               9#..    



One interesting point to note is this event i am getting only once every day at around the same time. and it is happening for all the member servers ( i have 2 win2003r2sp2 member server).

i also did not get what is this
Sent update to server : 128.128.243.3.

because this ip is not my network ip
venkataramanaiahsrAsked:
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Henrik JohanssonSystems engineerCommented:
In general, always use internal DNS servers in AD environment. Never use ISP's DNS servers for direct resolving on any internal client/server as ISP will propably not be aware of the internal DNS servers. Usage of external DNS servers is propably the reason for the w32time,lsasrv and dnsapi logging. Instead of direct resolving, configure the internal DNS server to use forwarders to forward unresolved queries to ISP.

For the dnsapi/11160-logging, make sure that the reverse lookup zone for the network segment exist on the DNS server it's using and allows dynamic updates.
Dynamic registration try will occur once a day if the NIC's TCP/IP-settings is configured to register its addresses in DNS.

For the lsasrv/40960-logging, make sure that the DNS servers configured on the member servers is aware of srinivasalocal.com

The mrxsmb/8003-logging is related to NETBIOS/WINS instead of DNS
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Amit BhatnagarTechnology Consultant - SecurityCommented:
Further to add, the first error is coming because of simple conflict on the Network and as correctly mentionred related to NetBIOS. When you doubleclick on Network Neighbourhood, you can see all the machines in your Domain, this is because of an election process that happens in the background..
Long Story short...you can safely ingore this error unless you rely on Network Neighbourhood or have applications in your Network which relies on "Computer\Network Browsing", Please note this is not related to Internet Browsing :)
-Amit.
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Windows Server 2003

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