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Shutdown.exe making for "Dirty Shutdown"

I have NT4 Server with SP4.  When I do a scheduled shutdown with Shutdown.exe, the event log states "Last shutdown was unexpected".  What is actually happening, and why does this happen with SP4 only.  Can I stop it from happening.
1 Solution
SP4 has new event log entries that log unexpected shutdowns. SP3 did not log those, although they probably happened. SP4 writes to the registry in regular intervals and then writes a "shutting down" when shutting down via the NT methods. Shutdown.exe obviously goes around the standard and so the event log happens. I am sure it is not something to be concerned about since the data is flushed to disk even when using shutdown.exe. To disable the logging of this event, use regedit or regedt32 and go to

(from jsiinc.com)

With the Current Version key selected, Add Key name Reliability (unless already present) with a Class of REG_DWORD. Select the Reliability sub-key and Add Value name TimeStampInterval as a type REG_DWORD and set the data value to 0.

Hope this helps

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