NOTICE DATE:  April 8, 2013

NOTICE TYPE:  M-A040813-01 Outage Retail/Wholesale

SHORT DESCRIPTION:  Unplanned MPIM outage

INTENDED AUDIENCE:  All Market Participants

DAY AFFECTED:  April 8, 2013

LONG DESCRIPTION:  The Market Participant Identity Management (MPIM) system experienced an outage beginning around midnight and ending at approximately 10:45 AM today.  Market Participant User Security Administrators (USAs) were unable to issue, renew or revoke certificates. The issue has been resolved and MPIM is fully functional.

ADDITIONAL INFORMATION: Details will be provided on the monthly IT Incident Summary Report.

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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