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Kerberos Time Skew – my eyes aren’t deceiving me

27/08/2012

A couple of times while troubleshooting something else I have noticed that Kerberos still works even if the time skew is greater than 300 sec. On other occasions I have definitely seen it fail. As far as I knew this wasn’t supposed to happen, but I never got round to following it up as I was too busy with the original issue (and besides, it’s easy to fix; just set the time service to work properly!). Now finally here is an explanation from the AskDS guys as to why this is:

The semi-myth of Kerberos time skew

And the Technet article that I could never find but assumed must exist:

Kerberos tickets are issued even though etc

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One Comment
  1. Everything is very open with a very clear explanation of the
    challenges. It was really informative. Your site is very useful.

    Many thanks for sharing!

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