W32-Time Fehler

Manchmal erscheint nach dem Hochfahren folgender Fehler in der Event-Liste und es dauert länger hochzufahren:
Event Type: Error
Event Source: W32Time
Event Category: None
Event ID: 17
Date: 18/6/2005
Time: 5:57:41 μμ
User: N/A
Computer: HOME-0AC999C0C6
Description:
Time Provider NtpClient: An error occurred during DNS lookup of the manually configured peer 'time.windows.com,0x1'. NtpClient will try the DNS lookup again in 15 minutes. The error was: A socket operation was attempted to an unreachable host. (0x80072751)

Dannach noch
Event Type: Error
Event Source: W32Time
Event Category: None
Event ID: 29
Date: 18/6/2005
Time: 5:57:41 μμ
User: N/A
Computer: HOME-0AC999C0C6
Description:
The time provider NtpClient is configured to acquire time from one or more time sources, however none of the sources are currently accessible. No attempt to contact a source will be made for 14 minutes. NtpClient has no source of accurate time.

und wenn das nicht erscheint (selten) dann steht
Event Type: Information
Event Source: W32Time
Event Category: None
Event ID: 35
Date: 18/6/2005
Time: 5:57:47 μμ
User: N/A
Computer: HOME-0AC999C0C6
Description:
The time service is now synchronizing the system time with the time source time.windows.com (ntp.m|0x1|62.74.128.111:123->207.46.130.100:123).

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.

Hat jemand eine Idee was das ist?
Danke!

 

Nachdem, was ich gefunden habe, scheint ein Zertitikat beschädigt zu sein. Und das verzögert das Hochfahren und führt zum Eintrag in die Ereignisanzeige.
Guck dich mal hier etwas um:
http://search.microsoft.com/search/results.aspx?view=de-de&qu=event id 17