NOTICE DATE: November 9, 2012 NOTICE TYPE: M-C110112-02 REMINDER: Maintenance Outage – Retail/Wholesale SHORT DESCRIPTION: Scheduled Maintenance Outage INTENDED AUDIENCE: All Market Participants DAY AFFECTED: Sunday, November 11, 2012 from 06:00 through 21:00 LONG DESCRIPTION: ERCOT has scheduled a maintenance outage for Sunday, November 11, 2012 from 06:00 through 21:00. ADDITIONAL INFORMATION: During the outage the following functions will be affected: * Market Participants utilizing NAESB to send/receive transactions to/from ERCOT will NOT be able to send/receive transactions to/from ERCOT during the outage. This includes all retail transactions. * 867 transactions will NOT be forwarded during the outage. * 997 Functional Acknowledgements will NOT be sent during the outage. * MarkeTrak will be unavailable for the duration of the outage. * Retail Application components of the MIS and the Retail API will NOT be available * Retail Reports and Extracts may be impacted during the outage timeframe * eService application will be unavailable on the Market Information System (MIS) * MPIM will be unavailable for the duration of the outage. 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]<mailto:[log in to unmask]>. If you are receiving e-mail from an ERCOT distribution list that you no longer wish to receive, please follow this link in order to unsubscribe from this list: http://lists.ercot.com<http://lists.ercot.com/>. DH/JR 402493 From: ERCOT Client Services Sent: Thursday, November 01, 2012 4:20 PM To: [log in to unmask]; [log in to unmask]; [log in to unmask]; [log in to unmask]; [log in to unmask]; [log in to unmask]; [log in to unmask] Cc: [log in to unmask]; [log in to unmask]; [log in to unmask]; 1 ERCOT Client Service Reps Subject: M-C110112-01 INITIAL: Maintenance Outage – Retail/Wholesale - Sunday, November 11, 2012 from 06:00 through 21:00 NOTICE DATE: November 1, 2012 NOTICE TYPE: M-C110112-01 INITIAL: Maintenance Outage – Retail/Wholesale SHORT DESCRIPTION: Scheduled Maintenance Outage INTENDED AUDIENCE: All Market Participants DAY AFFECTED: Sunday, November 11, 2012 from 06:00 through 21:00 LONG DESCRIPTION: ERCOT has scheduled a maintenance outage for Sunday, November 11, 2012 from 06:00 through 21:00. ADDITIONAL INFORMATION: During the outage the following functions will be affected: * Market Participants utilizing NAESB to send/receive transactions to/from ERCOT will NOT be able to send/receive transactions to/from ERCOT during the outage. This includes all retail transactions. * 867 transactions will NOT be forwarded during the outage. * 997 Functional Acknowledgements will NOT be sent during the outage. * MarkeTrak will be unavailable for the duration of the outage. * Retail Application components of the MIS and the Retail API will NOT be available * Retail Reports and Extracts may be impacted during the outage timeframe * eService application will be unavailable on the Market Information System (MIS) * MPIM will be unavailable for the duration of the outage. 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]<mailto:[log in to unmask]>. If you are receiving e-mail from an ERCOT distribution list that you no longer wish to receive, please follow this link in order to unsubscribe from this list: http://lists.ercot.com<http://lists.ercot.com/>. DH/CD 402493