NOTICE DATE: May 7, 2010 NOTICE TYPE: M-A042910-02 REMINDER: Maintenance Outage - Retail/Wholesale SHORT DESCRIPTION: Scheduled Maintenance Outage INTENDED AUDIENCE: All Market Participants DAY AFFECTED: Sunday, May 9, 2010 from 06:00 through 21:00 LONG DESCRIPTION: ERCOT has scheduled a maintenance outage for Sunday, May 9, 2010 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. * Components of the TML and Commercial API will NOT be available including: * Find ESI ID * Find Transaction * Submit Transactions * USA Functionalities * Report Explorer, including * Reports * Extracts * Invoices * Settlement Statements * Extract Scheduler * Web Services Data Requests * ERCOT Internet Services will NOT be available, including but not limited to: * ERCOT.com - www.ercot.com<http://www.ercot.com> * MarkeTrak - https://marketrak.ercot.com:8443/tmtrack.dll * TCR - https://tcr.ercot.com<https://tcr.ercot.com/> * Texas Renewables - www.texasrenewables.com<http://www.texasrenewables.com/> 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]<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/DP From: ERCOT Client Relations Sent: Thursday, April 29, 2010 11:41 AM 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-A042910-01 INITIAL: Maintenance Outage - Retail/Wholesale - Sunday, May 9, 2010 from 06:00 through 21:00 NOTICE DATE: April 29, 2010 NOTICE TYPE: M-A042910-01 INITIAL: Maintenance Outage - Retail/Wholesale SHORT DESCRIPTION: Scheduled Maintenance Outage INTENDED AUDIENCE: All Market Participants DAY AFFECTED: Sunday, May 9, 2010 from 06:00 through 21:00 LONG DESCRIPTION: ERCOT has scheduled a maintenance outage for Sunday, May 9, 2010 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. * Components of the TML and Commercial API will NOT be available including: * Find ESI ID * Find Transaction * Submit Transactions * USA Functionalities * Report Explorer, including * Reports * Extracts * Invoices * Settlement Statements * Extract Scheduler * Web Services Data Requests * ERCOT Internet Services will NOT be available, including but not limited to: * ERCOT.com - www.ercot.com<http://www.ercot.com> * MarkeTrak - https://marketrak.ercot.com:8443/tmtrack.dll * TCR - https://tcr.ercot.com<https://tcr.ercot.com/> * Texas Renewables - www.texasrenewables.com<http://www.texasrenewables.com/> 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]<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/>. JR/DH