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ERCOT Client Services <[log in to unmask]>
Thu, 15 Jun 2017 14:33:48 +0000
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***** EXTERNAL email. Please be cautious and evaluate before you click on links, open attachments, or provide credentials. *****

NOTICE DATE:  June 15, 2017

NOTICE TYPE:  M-B052417-03 Planned Maintenance

SHORT DESCRIPTION:  Implementation of Web Application DNS changes

INTENDED AUDIENCE:  ERCOT Market Participants



DAY AFFECTED:  June 22, 2017 17:30 and 20:30

LONG DESCRIPTION:  ERCOT is implementing changes to the Domain Name System (DNS) resource name indicated below.  As a result, IP addresses are subject to change without notice. Therefore, Fully Qualified Domain Names (FQDNs) must be used to reference ERCOT resources instead of hard-coded IP addresses.

The following URL is affected by this change:



Site

(URL)

Fully Qualified Domain Name

(FQDN)

Current IP Address

To-Be IP Address

ERCOT Website
(http://www.ercot.com/)



www.ercot.com<http://www.ercot.com/>



66.128.16.71



192.230.66.144



Market Participants (MPs) are encouraged to ensure their whitelists include the FQDN to avoid any interruption of service.



The changes will be implemented between the hours of 17:30 and 20:30 on June 22, 2017.



Based on MP configurations users may experience an outage of up to 30 minutes if attempting to access this site during the change window.



ADDITIONAL INFORMATION:  For issues connecting to the website, it is recommended that MPs:



********* Clear their browser history.

********* Restart their browsers.

********* Contact the ERCOT Help Desk by phone at (512) 248-6800 or via email at [log in to unmask] if an error message is received stating "Access Denied, Powered by Incapsula".



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]>.

If you are receiving email 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.









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