NOTICE DATE:  April 16, 2009
NOTICE TYPE:  M-A041609-01 INITIAL:  Release - Retail
SHORT DESCRIPTION:  ERCOT has an on-cycle Retail Release planned for 12:00 PM Saturday, May 16, 2009 through 12:00 AM Monday, May 18, 2009.
INTENDED AUDIENCE:  All Market Participants
DAY AFFECTED:  12:00 PM Saturday, May 16, 2009 through 12:00 AM Monday, May 18, 2009
LONG DESCRIPTION:  ERCOT has an on-cycle Retail Release scheduled from 12:00 PM Saturday, May 16, 2009 through 12:00 AM Monday, May 18, 2009 to implement PR 80040_01.
PR 80040_01 implements integration best practices recommended by Oracle in an effort to resolve internal Customer Registration Database issues.
Implementation of PR 80040_01 will also enhance the stability between Enterprise Application Integration (EAI) servers and the Customer Registration Database as well as improve EAI server notifications and alerts.
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/DP