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Lock Up on Daylight Saving Transition.
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Lock Up on Daylight Saving Transition.

  • To: NTBUGTRAQLISTSERV.NTBUGTRAQ.COM
  • Subject: Lock Up on Daylight Saving Transition.
  • From: "Michael, James" <james.michaelEDS.COM>
  • Date: Fri, 12 Mar 1999 11:41:28 +1030
  • Approved-By: Russ.CooperRC.ON.CA
  • Reply-To: "Michael, James" <james.michaelEDS.COM>
  • Sender: Windows NT BugTraq Mailing List <NTBUGTRAQLISTSERV.NTBUGTRAQ.COM>
If an NT server is rebooted in the hour following the end of daylight
savings (time back 1 hour), it will lock up at either the logon screen or
the blue kernel load screen.  Cycling power will not fix this problem until
1 hour has passes since the transition period.

For example, set time to 1:59:55am on the end of daylight savings date.
Allow NT to transition to 1:00am.
Shutdown and restart.  Server locks up.

Rebooting, or power cycling with the time still prior to 2:00am will result
in the server hanging.
Changing the BIOS time to 2:00am onwards will resolve this issue.

This bug applies to all NT servers running less than SP4.
SP4 resolves this issue, but not intentionally.

This issue has been confirmed by Microsoft, and will release an article.

James Michael
Client Server Engineering
EDS Australia
Level 9 108 North Terrace
Adelaide, SA 5000
Phone: (08) 8464 1318
mailto:james.michaeleds.com