NOTICE DATE:  March 27, 2008

NOTICE TYPE:  R-A032708-01 – Outage - Retail

CLASSIFICATION: Public

SHORT DESCRIPTION:  ERCOT experienced an outage of Texas Market Link (TML) today, March 27, 2008, from approximately 10:06 AM to 11:05 AM.

INTENDED AUDIENCE:  CRs and TDSPs

DAY AFFECTED:  March 27, 2008 from approximately 10:06 AM to 11:05 AM

LONG DESCRIPTION:  ERCOT experienced an outage of Texas Market Link (TML) today, March 27, 2008, from approximately 10:06AM to 11:05 AM.  During this outage TML ESIID Lookup and TML Transaction Services were not available.  This outage was caused by a SAN switch that experienced a temporary loss of connectivity.   The issue has been resolved and TML user functionality has been restored. 

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].

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JA/TR