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dorismail               09-Sep-2026 11:41:48 Message No 1497
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Author: "Michael, Benjamin P {Patrick} (GSFC-61A0)" <benjamin.p.michael@nasa.gov>
Subject: CDDIS Outage - 22 Sep 2026 - 1330-1530 UTC


All CDDIS Users,

BLUF:  
What:  CDDIS Outage
Date:  22 Sep 2026
Time:  1330-1530 UTC, 0930-1130 EDT
Reason:  Network upgrades
Activities affected:  All CDDIS file ingest and distribution services will be unavailable. GNSS real-time services are unaffected.
Questions or concerns please address to:  support-cddis@nasa.gov

We recognize the critical importance of CDDIS to your work and deeply apologize for this outage. As this is a brief maintenance window, it falls below our threshold for failover activation to our disaster recovery site. We expect this work will be completed well within the posted two-hour window. Please direct any concerns to our ticketing system.

Thanks

R
Pat