NOTICE DATE: October 5, 2009
NOTICE TYPE:  R-A100509-01 INITIAL - Retail Processing
SHORT DESCRIPTION:  ERCOT experienced retail transaction processing degradation from approximately 10:00 AM to 3:00 PM on Thursday, October 1, 2009.
INTENDED AUDIENCE:  CRs and TDSPs
DAY AFFECTED:  October 1, 2009 from approximately 10:00 AM to 3:00 PM
LONG DESCRIPTION:  ERCOT experienced retail transaction processing degradation from approximately 10:00 AM to 3:00 PM on Thursday, October 1, 2009. The backlogged transactions processed outbound by 4:20 PM.
The degradation was the result of performance tuning on an application database that was involved in the PR80031_01 Retail Application Upgrades implemented on September 27, 2009.
ERCOT is continuing to perform the required application and database tuning. ERCOT will closely monitor transaction processing to minimize any external impacts.
 ADDITIONAL INFORMATION: ERCOT has analyzed these issues to determine the volume and transactions impacted. The count of impacted transactions is as follows:

TRAN TYPE       Count
814_03  818
814_05  355
814_08  7
814_09  4
814_12  1
814_13  2
814_17  13
814_22  36
814_24  95
814_25  198
814_28  64
814_29  41
Grand Total     1634










ERCOT Retail Account Managers will provide all affected Market Participants with their list of impacted transactions by Tuesday, October 6, 2009.

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