NOTICE DATE:  March 3, 2008

NOTICE TYPE:  W-B030308-01   Outage – MOS, MOSTML and Outage Scheduler

CLASSIFICATION:  Public

SHORT DESCRIPTION:  MOS, MOSTML and Outage Scheduler were unavailable on March 2, 2008

INTENDED AUDIENCE:  ERCOT Market Participants

DAYS AFFECTED:  March 2, 2008 from 3:45 PM to 4:20 PM

LONG DESCRIPTION:  ERCOT experienced an unplanned outage of the Market Operations System (MOS), the MOS sender/listener (MOSTML), and Outage Scheduler.  The outage occurred March 2, 2008 from 3:45 PM to 4:20 PM as a result of an interruption in web service connectivity.

CONTACT: If you have any questions, please contact your ERCOT Account Manager. You may also call the general ERCOT Client Services phone number at (512) 248-3900 or contact ERCOT Client Services via e-mail at [log in to unmask].

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