Topic: PDA Security Patching Maintenance at ESPC

Date/Time Issued: April 5, 2018 1427Z

Product(s) or Data Impacted: Authentication services for the Product Distribution and Access (PDA) system may be temporarily affected

Date/Time of Initial Impact: April 5, 2018 1500Z

Date/Time of Expected End: April 5, 2018 2100Z

Length of Event: Approximately 6 hours

Details/Specifics of Change: The ESPC PDA system will be undergoing security patching maintenance. Although we do not expect any interruptions to service, there is a chance this activity may result in brief authentication errors. Users should retry any failed authentication attempts during the maintenance window. The outage should not result in any products being incomplete or lost.

Contact Information for Further Information: ESPC Operations at and 301-817-3880.

Web Site(s) for applicable information: N/A

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