NOTICE DATE:  August 12, 2008

NOTICE TYPE:  R-A081208-01 - Retail Transaction Processing

CLASSIFICATION: Public

SHORT DESCRIPTION:  ERCOT experienced an issue with processing which
created reject transactions sent to Market Participants.

INTENDED AUDIENCE:  CRs and TDSPs

DAY AFFECTED:  August 10 and 11, 2008

LONG DESCRIPTION:  ERCOT experienced an issue with processing which
created duplicate inbound transactions, resulting in reject transactions
sent to CRs.  Please see below for the count by inbound Transaction
Type:

 

Tran Type

# of Transactions Duplicated

814_01

298

814_16

436

814_24

91

Grand Total

825

 

CRs may have received 814_02 rejects for duplicate 814_01s; 814_17
rejects for duplicate 814_16s; and 814_25 rejects for duplicate 814_24s
as a result of this issue. The switches, move-ins, and move-outs have
successfully processed.

ERCOT has determined the root cause was a connectivity issue due to an
incorrect IP assignment.  

Transaction information will be provided to affected Market Participants
by Retail Client Services.

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
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from this list: http://lists.ercot.com <http://lists.ercot.com/> .

DP/ JR