http://msmvps.com/blogs/vandooren/archive/2008/03/11/getting-rid-of-the-duplicate-spn-in-active-directory.aspxLast week I noticed an error in the domain controller event log with Event ID 11: Event Type: Error Event Source: KDC Event Category: None Event ID: 11 Date: 2/29/2008 Time: 1:43:18 PM User: N/A Computer: SE-DOMAINCONTROLLER01 Description: There are multipleenCommunityServer 2008.5 SP2 (Build: 40407.4157)http://msmvps.com/blogs/vandooren/archive/2008/03/11/getting-rid-of-the-duplicate-spn-in-active-directory.aspx#1674087Thu, 26 Feb 2009 14:33:26 GMTd67277c4-116b-43f1-b688-e9ef184ea916:1674087Alfred<p>Thx very helpful....</p> <p>Though i dont know exaclty the real problem, but since the kdc error keep appearing in event viewer, so i did like you wrote here...</p> <div style="clear:both;"></div><img src="http://msmvps.com/aggbug.aspx?PostID=1674087" width="1" height="1">http://msmvps.com/blogs/vandooren/archive/2008/03/11/getting-rid-of-the-duplicate-spn-in-active-directory.aspx#1662932Sun, 18 Jan 2009 17:32:36 GMTd67277c4-116b-43f1-b688-e9ef184ea916:1662932Kerberos Query | keyongtech<p>Pingback from &nbsp;Kerberos Query | keyongtech</p> <img src="http://msmvps.com/aggbug.aspx?PostID=1662932" width="1" height="1">