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All,</div>
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The initial outage was extended due to difficulties with the network fabric above the CDDIS level. We hope to have all services back to fully operational by 15:30 EST, 19:30 UTC. We apologize for this.</div>
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R</div>
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Pat</div>
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<a href="https://www.nasa.gov/" data-outlook-id="783834c3-98c1-4f97-acf6-d7cf0c22d9c7" style="color: black;"><img src="cid:image001.png@01DD0550.DEA74690" id="Picture_x0020_1" width="114" height="114" style="width: 1.1979in; height: 1.1979in;"></a></div>
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<b>Patrick Michael</b></div>
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<span style="line-height: 115%;"><b>Manager, Crustal Dynamics Data Information System (CDDIS)</b></span></div>
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<span style="line-height: 115%;">Geodesy and Geophysics Laboratory</span></div>
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<span style="line-height: 115%;">NASA Goddard Space Flight Center</span></div>
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<span style="line-height: 115%;">Code 61A</span></div>
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<span style="line-height: 115%;">8800 Greenbelt Rd, Greenbelt, MD 20771</span></div>
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<span style="line-height: 115%;">M: 301.606.1416 (p)</span></div>
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<span style="line-height: 115%;">M: 301.256.2640 (w)<br>
O: 301.614.5370</span></div>
<div class="MsoNormal" style="font-family: Helvetica; font-size: 9pt;"><a href="mailto:Patrick.Michael@nasa.gov" data-outlook-id="cd24bcd3-7c75-47a0-85c9-48ca8e063864">Patrick.Michael@nasa.gov</a></div>
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<b>From: </b>Michael, Benjamin P {Patrick} (GSFC-61A0) <benjamin.p.michael@nasa.gov><br>
<b>Date: </b>Wednesday, September 16, 2026 at 08:51<br>
<b>To: </b>igsmail@lists.igs.org <igsmail@lists.igs.org>; ilrs@lists.nasa.gov <ilrs@lists.nasa.gov>; ivsmail@lists.nasa.gov <ivsmail@lists.nasa.gov>; dorismail@ids-doris.org <dorismail@ids-doris.org><br>
<b>Subject: </b>1st Reminder - CDDIS Outage - 22 Sep 2026 - 1330-1530 UTC<br>
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This is the first reminder of the upcoming CDDIS outage on 22 Sep 2026. The original announcement is below.</div>
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<span style="text-transform: none;">BLUF: </span></div>
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What: CDDIS Outage</div>
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Date: 22 Sep 2026</div>
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Time: 1330-1530 UTC, 0930-1130 EDT</div>
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Reason: Network upgrades</div>
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Activities affected: All CDDIS file ingest and distribution services will be unavailable. GNSS real-time services are unaffected.</div>
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<span style="color: rgb(0, 0, 0); text-transform: none;">Questions or concerns please address to: </span><span style="color: rgb(0, 134, 240); text-transform: none;"><a href="mailto:support-cddis@nasa.gov" class="ms-outlook-linkify" data-outlook-id="5fcbf4bc-71f3-4ace-b44a-19174025426e" style="color: rgb(0, 134, 240);">support-cddis@nasa.gov</a></span></div>
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<span style="text-transform: none;">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.</span></div>
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<b>Patrick Michael</b></div>
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<span style="line-height: 115%;"><b>Manager, Crustal Dynamics Data Information System (CDDIS)</b></span></div>
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<span style="line-height: 115%;">Geodesy and Geophysics Laboratory</span></div>
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<span style="line-height: 115%;">NASA Goddard Space Flight Center</span></div>
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<span style="line-height: 115%;">Code 61A</span></div>
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<span style="line-height: 115%;">8800 Greenbelt Rd, Greenbelt, MD 20771</span></div>
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<span style="line-height: 115%;">M: 301.606.1416 (p)</span></div>
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<span style="line-height: 115%;">M: 301.256.2640 (w)<br>
O: 301.614.5370</span></div>
<div class="MsoNormal" style="font-family: Helvetica; font-size: 9pt;"><a href="mailto:Patrick.Michael@nasa.gov" data-outlook-id="269b7977-b5e9-4057-86b1-e61caa9275a8">Patrick.Michael@nasa.gov</a></div>
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