NOTICE DATE: August 11, 2009

NOTICE TYPE:  M-A081009-02 UPDATE: Outage – Retail Processing

SHORT DESCRIPTION: ERCOT originally reported a retail processing systems outage from 11:19 PM Sunday, August 9, 2009 to 12:00 AM on Monday, August 10, 2009. Further investigation has determined that the outage extended until 3:50 AM on Monday, August 10, 2009.

INTENDED AUDIENCE:  ERCOT Market Participants

DAYS AFFECTED: 11:19 PM Sunday, August 9, 2009 to 3:50 AM on Monday, August 10, 2009

LONG DESCRIPTION: ERCOT’s retail processing systems experienced an outage in service from 11:19 PM Sunday, August 9, 2009 to 3:50 AM on Monday, August 10, 2009.  

This outage was due to a hardware failure caused by a configuration issue as a result of scheduled maintenance. The configuration issue cascaded through the network causing an unexpected outage.

 The retail systems have been functioning properly since 3:50 AM Monday, August 10, 2009.

The table below shows the transaction counts reprocessed by ERCOT:

Transaction Type	Amount
814_01	15
814_07	222
814_08	1
814_09	117
814_16	39
814_20	11
814_24	179
814_27	12
814_28	1
Grand Total	597

ERCOT Retail Account Managers will provide all affected Market Participants with a list of their impacted transactions.

ADDITIONAL INFORMATION:  During the outage the following functions were affected:

• 867 transactions were not forwarded during the outage.
• 997 Functional Acknowledgements were not sent during the outage.
• Components of the TML and Commercial API were not available including:

• Find ESI ID
• Find Transaction
• Submit Transactions
• Report Explorer, including

• Reports
• Extracts
• Invoices
• Settlement Statements

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]">[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

JR/JA   

From: ERCOT Client Relations
Sent: Monday, August 10, 2009 10:47 AM
To: [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-A081009-01 Outage - Retail Processing 11:19 PM Sunday, August 9 to 12:00 AM on Monday, August 10, 2009

NOTICE DATE: August 10, 2009

NOTICE TYPE:  M-A081009-01   Outage – Retail Processing

SHORT DESCRIPTION: ERCOT’s retail processing systems experienced an outage in service from 11:19 PM Sunday, August 9, 2009 to 12:00 AM on Monday, August 10, 2009.

INTENDED AUDIENCE:  ERCOT Market Participants

DAYS AFFECTED: 11:19 PM Sunday, August 9, 2009 to 12:00 AM on Monday, August 10, 2009

LONG DESCRIPTION: ERCOT’s retail processing systems experienced an outage in service from 11:19 PM Sunday, August 9, 2009 to 12:00 AM on Monday, August 10, 2009.  

The root cause was a hardware failure. The retail systems are now functioning properly.

ADDITIONAL INFORMATION:  During the outage the following functions were affected:

• 867 transactions were not forwarded during the outage.
• 997 Functional Acknowledgements were not sent during the outage.
• Components of the TML and Commercial API were not available including:
• Find ESI ID
• Find Transaction
• Submit Transactions
• Report Explorer, including
• Reports
• Extracts
• Invoices
• Settlement Statements

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]">[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

JR/DP