Removing duplicate SPNs (Service Name Providers). I currently get errors in the system log on my Windows 2. R2 domain controller daily, such as: Event ID: 1. Source Name: KDCThe KDC encountered duplicate names while processing a Kerberos authentication request. The duplicate name is MSSQLSvc/IKSDB0. DS. This may result in authentication failures or downgrades to NTLM. In order to prevent this from occuring remove the duplicate entries for MSSQLSvc/IKSDB0. Active Directory. I googled this and found an article that makes the fix seem fairly straighforward: http: //technet. WS. 1. 0). aspx. Here is my output when I run: setspn - XChecking domain DC=iks,DC=bz. Processing entry 2. MSSQLSvc/iksdb. 01. CN=IKSDB0. 1,CN=Computers,DC=iks,DC=bz. CN=Administrator,CN=Users,DC=iks,DC=bz. Find Duplicate SPN: A Service Principal Name (SPN) is a concept from Kerberos. To find a particular service offered by a particular host within the domain. Updated: April 23, 2012. Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with. Once added, click OK to save the settings. Close Active Directory Domains and Trusts snap-in when done. Add Alternate UPN Suffix for an Existing Domain User Account. You use SPNs to locate a target. Force active directory replication / Force AD replication through the Microsoft Management Console (MMC) or Forcing replication through Active Directory Sites and. I'm trying to find the Base DN of the user that can access or controls all the users in Active Directory so I can put it in my LDAP. Usually someone will give me this. Sample report Custom views/filters Servers list, organized in groups Integration with EventID.Net Consolidated view for all logs Free for subscribers. Nearly all of. MSSQLSvc/iksdb. 01. CN=IKSDB0. 1,CN=Computers,DC=iks,DC=bz. CN=Administrator,CN=Users,DC=iks,DC=bz. MSSQLSvc/iksdb. 01. CN=IKSDB0. 1,CN=Computers,DC=iks,DC=bz. CN=Administrator,CN=Users,DC=iks,DC=bz. MSSQLSvc/iksdb. 01. CN=IKSDB0. 1,CN=Computers,DC=iks,DC=bz. CN=Administrator,CN=Users,DC=iks,DC=bz. MSSQLSvc/2. 00. 0sql. CN=2. 00. 0SQL0. 1,CN=Computers,DC=iks,DC=bz. CN=Administrator,CN=Users,DC=iks,DC=bz. MSSQLSvc/SHAREPOINT. CN=SHAREPOINT,CN=Computers,DC=iks,DC=bz. CN=Administrator,CN=Users,DC=iks,DC=bzfound 6 groups of duplicate SPNs. The article then gives instructions using setspn - D< SPN> < computer. Given the output of my duplicate SPNs, what would be command that I type to erase one of these.#2.
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