NOTICE DATE:  November 22, 2011

NOTICE TYPE:  M-A112211-01 INITIAL:  Maintenance Outage Retail/Wholesale

SHORT DESCRIPTION:  Scheduled Maintenance Outage

INTENDED AUDIENCE:  All Market Participants

DAY AFFECTED:  Sunday, December 4, 2011 from 06:00 through 21:00

LONG DESCRIPTION:  ERCOT has scheduled a maintenance outage for Sunday, December 4, 2011 from 06:00 through 21:00.

ADDITIONAL INFORMATION:  During the outage the following functions will be affected:




MOS, Scheduling API, MOSTML, MOSPUBLIC, and Outage Scheduler will not be affected as there will be a DNS failover from Taylor to Austin.

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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