Topic:  Planned PDA Network Upgrades at the NSOF OPS and WCDAS sites.

Date/Time Issued:  May 11th, 2026 1304Z

Product(s) or Data Impacted:  Products ingested and disseminated to/from the NSOF OPS and WCDAS sites.

Date/Time of Initial Impact: May 11th, 2026 1500Z

Date/Time of Expected End: May 11th, 2026 1800Z

Length of Event:  3 hours

Details/Specifics: The ESPC PDA Support team will upgrade the Cisco 9300 and ISE catalyst switches at the NSOF OPS and WCDAS sites during the impact times listed above. Interruptions to service may occur while restarting services within the maintenance window above. The PDA Support team will monitor the environment to quickly address and remediate any issues.

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