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NOTICE DATE:  June 15, 2017

NOTICE TYPE:  R-A061417-02 Release-Retail

SHORT DESCRIPTION:  Updated dates - Retail Outage/Release July 2017

INTENDED AUDIENCE:  ERCOT Market Participants

DAY AFFECTED:  July 16, 2017 6:00 AM to July 17, 2017 12:00 AM

LONG DESCRIPTION:  ERCOT will be implementing internal changes to the ERCOT Registration system in the production environment on July 16, 2017 6:00 AM to July 17, 2017 12:00 AM.

ADDITIONAL INFORMATION:  During the implementation window 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 Market Information System (MIS) and the Retail API will be unavailable

*       Retail Reports and Extracts may be impacted during the outage timeframe
*       eService application will be unavailable on the MIS

*       Find ESIID and Find Transaction will be unavailable

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 email at [log in to unmask]<mailto:[log in to unmask]>.

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