Fault: KDC warning log for id29

1、 The fault phenomenon ：

1） Since the creation of Windows 2008 Server After domain , Of all the Windows 2008 Of DC The same warning message appears in .

2） stay Windows Event Viewer Of System Log in , There is ID=29 Of Kerberos-Key-Distribution-Center Warning message , This message every 10 Every hour , And at all DC It appears that .

3） The screenshot of the log is as follows ：

2、 The cause of the problem ：

1） In order to ensure DC Security of data transmission in the network , stay DC Between the use of Kerberos authentication .

2） If DC Between the Kerberos Authentication missing or invalid , You must first delete the previous Kerberos Certification and then rebuild a new .

3） But if it doesn't exist in the domain CA The server , The event can be ignored .

3、 Fault handling ：

Ignore this event .