[Çözüldü] Microsoft-Windows-Kerberos-Key-Distribution-Center hatası

merhabalar;

Sistemde W2008 R2 x64 makinem DC olarak yapılandırıldı. makine üzerinde sadece AD var ve DNS servisi çalışıyor.

DC üzerinde aşağıdaki hatayı alıyorum. nasıl çözerim yardımcı olabilir misiniz rica etsem?

teşekkürler

Log Name:      System
Source:        Microsoft-Windows-Kerberos-Key-Distribution-Center
Date:          12.11.2012 15:18:57
Event ID:      29
Task Category: None
Level:         Warning
Keywords:      Classic
User:          N/A
Computer:      cozumpark.local
Description:
The Key Distribution Center (KDC) cannot find a suitable certificate to use for smart card logons, or the KDC certificate could not be verified. Smart card logon may not function correctly if this problem is not resolved. To correct this problem, either verify the existing KDC certificate using certutil.exe or enroll for a new KDC certificate.
Event Xml:
<Event xmlns=" http://schemas.microsoft.com/win/2004/08/events/event ">
  <System>
    <Provider Name="Microsoft-Windows-Kerberos-Key-Distribution-Center" Guid="{3FD9DA1A-5A54-46C5-9A26-9BD7C0685056}" EventSourceName="KDC" />
    <EventID Qualifiers="32768">29</EventID>
    <Version>0</Version>
    <Level>3</Level>
    <Task>0</Task>
    <Opcode>0</Opcode>
    <Keywords>0x80000000000000</Keywords>
    <TimeCreated SystemTime="2012-11-12T13:18:57.000000000Z" />
    <EventRecordID>3708</EventRecordID>
    <Correlation />
    <Execution ProcessID="0" ThreadID="0" />
    <Channel>System</Channel>
    <Computer>COZUM.cozumpark.local</Computer>
    <Security />
  </System>
  <EventData>
  </EventData>
</Event>