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DNS & AD releated errors on Web Server

Posted on 2006-10-24
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Last Modified: 2010-04-18
I have 3 servers, a DC, backup DC (DC2), and a web server.  Both DC's run SQL, and the web server connects to both of these.  I am getting intermittent connectivity issues, and here are the errors from the event log on my web server.
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Windows cannot obtain the domain controller name for your computer network. (An unexpected network error occurred. ). Group Policy processing aborted.
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The kerberos client received a KRB_AP_ERR_MODIFIED error from the server host/dc2.ourdomain.com.  The target name used was MSSQLSvc/DC2.ourdomain.com:1433. This indicates that the password used to encrypt the kerberos service ticket is different than that on the target server. Commonly, this is due to identically named  machine accounts in the target realm (OURDOMAIN.COM), and the client realm.   Please contact your system administrator.
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The system failed to register pointer (PTR) resource records (RRs) for network adapter
with settings:

   Adapter Name : {EDFB3AF6-1B19-46DF-9D14-0000000000000}
   Host Name : Web-Server
   Adapter-specific Domain Suffix : ourdomain.com
   DNS server list :
           192.168.10.1, 192.168.10.2
   Sent update to server : 198.6.100.21
   IP Address : 208.255.0.0 (IP of web server)

 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.

I have no idea where to start.  Any help would be appreciated.  Also, all of the servers are running WS2003 with SQL 2000.
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Question by:bella28
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by:Jay_Jay70
ID: 17800135
> 198.6.100.21

what is this address? did you re register dns as asked?
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by:bella28
ID: 17803436
I did re-register DNS, and received the same error.  I have no idea what that IP address is
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by:Jay_Jay70
ID: 17808218
can you ping it?
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by:bella28
ID: 17811515
I can ping it, and it goes to a UUNet and it traces to auth10-wcom.uu.net
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Jay_Jay70 earned 500 total points
ID: 17817234
what the hell is UUNet? loL!
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by:bella28
ID: 17818864
UUNet is MCI, which I think is now Verizon.  Anyway..they are my ISP.
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Optimizing Cloud Backup for Low Bandwidth

With cloud storage prices going down a growing number of SMBs start to use it for backup storage. Unfortunately, business data volume rarely fits the average Internet speed. This article provides an overview of main Internet speed challenges and reveals backup best practices.

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