NOTICE DATE: June 16, 2009 NOTICE TYPE: M-A061609-01 Outage - Mospublic.ercot.com SHORT DESCRIPTION: Mospublic.ercot.com outages June 13 - June 14, 2009 INTENDED AUDIENCE: ERCOT Market Participants DAYS AFFECTED: June 13 - June 14, 2009 LONG DESCRIPTION: Due to an application failure, Mospublic.ercot.com experienced multiple outages June 13 - June 14, 2009. The times of the outages were as follows: June 13 June 14 5:01 PM - 5:35 PM 12:06 AM - 12:10 AM 6:31 PM - 7:10 PM 10:16 PM - 10:31 PM 11:01 PM - 11:05 PM 11:16 PM - 11:23 PM 11:51 PM - 11:56 PM During the outages, users experienced "Page could not be displayed" errors for Mospublic Real-time report links on Ercot.com. The root cause has not yet been determined. Mospublic servers were switched on June 14 and no further issues have been reported. 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]<blocked::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<http://lists.ercot.com/> dh