NOTICE DATE:  May 31, 2011
NOTICE TYPE:  M-A053111-01 External Web Services (EWS) Market Services/Retrieval Degradation
SHORT DESCRIPTION:  ERCOT experienced an EWS Degradation on May 30, 2011 from 14:15 through 15:12.
INTENDED AUDIENCE:  All Market Participants

DAY AFFECTED:  May 30, 2011 from 14:15 through 15:12
LONG DESCRIPTION:  As a result of a hardware failure, EWS Market Services experienced a degradation of service on May 30, 2011 from 14:15 through 15:12. During this time, Market Participants were potentially unable to successfully query the EWS Market Services.

ADDITIONAL INFORMATION: The root cause of this issue was due to a hardware failure which has since been resolved

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.

DP/JR


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