NOTICE DATE: July 17, 2008 NOTICE TYPE: M-B071708-01 Release - Retail CLASSIFICATION: Public SHORT DESCRIPTION: ERCOT has an off-cycle Retail Release planned for 8:00 AM Saturday, August 16, 2008 through 12:00 AM Monday, August 18, 2008. INTENDED AUDIENCE: All Market Participants DAY AFFECTED: 8:00 AM Saturday, August 16, 2008 through 12:00 AM Monday, August 18, 2008. MarkeTrak will be unavailable beginning 7:00 PM Friday, August 15, 2008. LONG DESCRIPTION: ERCOT has an off-cycle Retail Release scheduled from 8:00 AM Saturday August 16, 2008 through 12:00 AM Monday, August 18, 2008. For reference, Market impacting SIRs, internal ERCOT SIRs with no Market impact, and MarkeTrak Release 2 requirements are included on the attached documents. ERCOT will also use the normal MarkeTrak maintenance window beginning 7:00 PM Friday, August 15, 2008 through 12:00 AM Monday, August 18, 2008. During this time, ERCOT will perform the PR70007_01 MarkeTrak Release 2 migration to production. MarkeTrak service availability is 7:00 AM to 7:00 PM during retail business days. 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 both the TML and commercial API will NOT be available including: o Find ESI ID o Find Transaction o Submit Transactions o USA Functionalities o Report Explorer, including * Reports * Extracts * Invoices * Settlement Statements o Extract Scheduler o Web Services Data Requests * ERCOT internet services will NOT be available, including but not limited to: o ERCOT.com - www.ercot.com <http://www.ercot.com/> o MarkeTrak - https://marketrak.ercot.com:8443/tmtrack.dll? o TCR - https://tcr.ercot.com <https://tcr.ercot.com/> o 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] 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/JA <<SIRs for Aug 16 Release Notices_2.xls>> <<MT_Release_2_Requirements.xls>>