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Jack in the Box Ars Legatus Legionis Tribus: Edmonton, AB, Canada Registered: Nov 5, 1999Posts: 10133 Posted: Mon May 09, 2005 10:58 am What service account does the SQL service account I then deleted the old user accounts SPN my results were the following. The duplicate name is HTTP/accountname.domain.local (of type DS_SERVICE_PRINCIPAL_NAME). Manage Your Profile | Site Feedback Site Feedback x Tell us about your experience...

fake oakleys replica oakleys fake oakleys fake oakleys fake oakleys replica oakleys cheap oakleys outlet cheap fake watch sale cheap gucci replica cheap gucci replica replica gucci Sharing Buttons by Linksku In either case, this indicates that you have a duplicate machine nameregistered within the Active Directory on your domain. By analyzing and understanding these TTPs, you can dramatically enhance your security program. My results were as follows.

x 72 Anonymous I was seeing this error in my lab machines for multiple spns in the format cifs\. I believe these errors started showing up about the same time we changed the SQLSERVERAGENT service on OPDB1 to run under a domain account but I am not 100% sure on In the offending machine's case, the SQLSERVERAGENT and MSSQLSERVER services were running in the same user context as his SQL Administrator account (e.g. "SQUIRRELAdmin"). I have two quick methods I use.

The idea is to search for the duplicate and remove it. Prior to adding the replacement machines to the domain the old workstations had been "renamed" while still members of the domain. That was causing the error. Related Management Information Service Principal Name Configuration Core Security Community Additions ADD Show: Inherited Protected Print Export (0) Print Export (0) Share IN THIS ARTICLE Is this page helpful?

All rights reserved. Let’s expl… Active Directory Introducing a Windows 2012 Domain Controller into a 2008 Active Directory Environment Video by: Rodney This tutorial will walk an individual through the steps necessary to join Kerberos Kerberos Key Distribution Center Service Principal Name Configuration Service Principal Name Configuration Event ID 11 Event ID 11 Event ID 11 Event ID 11 Event ID 24 TOC Collapse the I have done some googling and I have found a few things but just wondered if you guys have ran into this before.

There are multiple accounts with name MSSQLSvc/ABCServer.contoso.com:1433 of type DS_SERVICE_PRINCIPAL_NAME. The KB posted above describes howto find the Go to Solution 3 Comments LVL 20 Overall: Level 20 Windows Server 2003 1 Message Assisted Solution by:Venabili2010-04-16 One of the methods Identify the duplicate SPN To identify the duplicate SPN: Log on to the computer referenced in the event log message. I am also posting possible steps you can take to resolve this using LDP.

Click Start & select Run. 2. Use the following procedure to remove one of the duplicate SPNs. Syntax would be like: "LDIFDE -d DC=childdomain, DC=domain, DC=net -f c:\export.txt." One of the entries will need to be removed.The trick can be determining which one. I have several things going on with this domain and I think this is just the beginning.

Use Google, Bing, or other preferred search engine to locate trusted NTP … Windows Server 2012 Active Directory Advertise Here 769 members asked questions and received personalized solutions in the past Jack in the Box Ars Legatus Legionis Tribus: Edmonton, AB, Canada Registered: Nov 5, 1999Posts: 10133 Posted: Fri Apr 29, 2005 2:40 pm SPN's are only required if you require kerberos In order to do this, first find which accounts have the duplicate SPNs and then delete one of them. I used LDP instuctions as stated above to remove the duplicate. (Another Admin stated he added a SQL server to AD because since the button was available to do it, it

The error came up once every hour. Here is the alert: The KDC encountered duplicate names while processing a Kerberos authentication request. The easiest way to determine which account the ServiceClass SPN should be registered under is to identify the service account under which the service starts. Use ADSI Edit (adsiedit.msc) to connect to the Distinguished Names (enter the whole line from your search results, e.g.

Double-click servicePrincipalName and remove the duplicate SPN registration.  Choose OK and exit ADSIEdit.SetSPNFrom the command prompt, type this command andchoose Enter.setspn -D ServiceClass/host.domain.com:Port AccountNameRefer to Event ID 11 in the System In order to prevent this from occuring remove the duplicate entries for HTTP/accountname.domain.local in Active Directory. Join & Ask a Question Need Help in Real-Time? After running: setspn -L \, I received the following output: Registered ServicePrincipalNames for CN=, CN=Computers, DC=DC=: MSSQLSvc/.lan:1433.

x 64 Ricky Wilson I had this issue when a SQL server instance was added twice. Right now MSSQLSERVER is running uder the local system account. Powered by WordPress and Fen. If you get the following message appearing in your System Event Log or something very similiar it needs to be dealt with.

In my case the additional computers with the wrong service principal name didn't exist anymore only in Active directory users and computers, so I could just delete those computer accounts. I'll give you an example. An SPN is used by Kerberos to uniquely identify an account that is requesting access to a resource. IT WORKED!

I changed the service login account back to administrator and restarted the service, then used the ADSI Edit tool to locate the Bob user, brought up the properties of this user, To verify that the service principal name (SPN) was configured correctly: Log on to a domain controller. Administrators often remember the machine object but forget the DNS entry. 3. Set the Base DN as DC=Home, DC=com. 11.

SQLSERVERAGENT is running under domain\SQLService account.So I think this is my plan:Come in early this week sometime and make both services run under domain\SQLService.Then on OPDB1 I will delete the SPN:MSSQLSvc/opdb1.domain.com:1433On Enter the string from the error message to the filter box, e.g. servicePrincipalName=MSSQLSvc/SERVERNAME.domain.local:1433. 4. When replacing or removing machines, try to have them cleanly leave the domain. I checked AD for the computer name and there was only one entry.

Events Events Community CornerAwards & Recognition Behind the Scenes Feedback Forum Cisco Certifications Cisco Press Café Cisco On Demand Support & Downloads Community Resources Security Alerts Security Alerts News News Video But then we needed to enable kerberos authentication for our BizTalk 2004 server's SQL server and we ran into an interesting question. This may result in authentication failures or downgrades to NTLM. Solved KDC, EVENT ID: 11 - There are multiple accounts with name MSSQLSvc/DELL700..com:1433 Posted on 2010-04-16 Windows Server 2003 Active Directory 2 Verified Solutions 3 Comments 2,255 Views Last Modified: 2012-05-09

Resolve Remove the duplicate service prinicipal name Each service principal name (SPN) must be unique. For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp. 0 Question by:johnrhines Facebook Twitter LinkedIn Google LVL 31 Best Solution byHenrik Johansson You've propably installed MSSQL to first run with My suggestion for our staff is to first REMOVE the machine being replaced from AD and then to add its replacement to AD, particularly if the replacement machine will have the After I discovered which account was the offending one, I used ADSIEDIT to remove it.

You can find the SPN entries by querying LDAP. Base DN should be set to dc=domainname, dc=com or what ever your domain is. 3.