Scheduled Maintenance - July 8-9, 2025 | Pod 15 | Zendesk Messaging and Sunshine Conversations

<p><span style="color: #464646;">Zendesk will perform critical maintenance which will impact performance for some customers on Pod 15 on July 8-9 2025, during the times listed below.</span></p><p>
<span style="color: #434343;"><strong>Affected products:</strong> Messaging &amp; Sunshine Conversations</span>
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<div class="wysiwyg-text-align-justify note">
<span style="color: #464646;"><span class="notetitle"><strong>Important:</strong></span>  Only customers with who have been notified and have Messaging enabled will be impacted, based on the Pod maintenance dates and timings below. Impacted customers will receive a notification banner in their Support product on May 30.</span>
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<div class="note tip">
<span style="color: #464646;"><strong>Customers Affected: </strong>Zendesk Messaging and Sunshine Conversations customers on Pod 15 who have been notified, will experience a <strong>service disruption of 40 minutes</strong> at some time within the 40 minute maintenance window.</span>
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<td style="text-align: center;"><strong>Date</strong></td>
<td style="text-align: center;"><a href="https://support.zendesk.com/hc/en-us/articles/4408829092506-What-is-a-Pod"><strong><span class="wysiwyg-underline">POD</span></strong></a></td>
<td style="text-align: center;"><strong>Start Time</strong></td>
<td style="text-align: center;"><strong>End Time</strong></td>
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<td>July 8, 2025</td>
<td style="text-align: center;">15</td>
<td style="text-align: center;">13:30 UTC / <em>9:30 EDT</em>
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<td style="text-align: center;">  14:10 UTC / <em>10:10 EDT</em>
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<td>July 8, 2025</td>
<td style="text-align: center;">15</td>
<td style="text-align: center;">14:45 UTC / <em>10:45 EDT</em>
</td>
<td style="text-align: center;">  15:25 UTC / <em>11:25 EDT</em>
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<td>July 8, 2025</td>
<td style="text-align: center;">15</td>
<td style="text-align: center;">17:15 UTC / 1<em>3:15 EDT</em>
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<td style="text-align: center;">  17:55 UTC / <em>13:55 EDT</em>
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<td>July 8, 2025</td>
<td style="text-align: center;">15</td>
<td style="text-align: center;">18:30 UTC / <em>14:30 EDT</em>
</td>
<td style="text-align: center;">  19:10 UTC / <em>15:10 EDT</em>
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<td>July 8, 2025</td>
<td style="text-align: center;">15</td>
<td style="text-align: center;">19:45 UTC / <em>15:45 EDT</em>
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<td style="text-align: center;">  20:25 UTC / <em>16:25 EDT</em>
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<td style="border-style: solid; border-width: 1px;">July 9, 2025</td>
<td style="border-style: solid; border-width: 1px;">15</td>
<td style="text-align: center;">13:30 UTC / <em>9:30 EDT</em>
</td>
<td style="text-align: center;">  14:10 UTC / <em>10:10 EDT</em>
</td>
</tr>
<tr>
<td style="border-style: solid; border-width: 1px;">July 9, 2025</td>
<td style="border-style: solid; border-width: 1px;">15</td>
<td style="text-align: center;">14:45 UTC / <em>10:45 EDT</em>
</td>
<td style="text-align: center;">  15:25 UTC / <em>11:25 EDT</em>
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</table></figure></div><p><strong>Expected behavior:</strong> During the maintenance window, notified accounts attempting to use Messaging will be locked and unable to send outbound messages; instead, they will receive an HTTP 423 response. Messages sent by end-users via social messaging channels for these accounts will be preserved and buffered until the account is unlocked.</p><p class="wysiwyg-text-align-justify"><strong>What do customers have to do? </strong>If customers have enabled their own client-side <a href="https://developer.zendesk.com/documentation/classic-web-widget-sdks/web-widget/integrating-with-google/csp/"><span class="wysiwyg-underline">Content Security Policy,</span></a> they must include *.zendesk.com on their allowlist to ensure that their integrations continue to initialize and function.</p><p class="wysiwyg-text-align-justify"><strong>Why we're doing this:</strong> The Zendesk Messaging team is rehoming customers accounts to be located in the same data store as their Support accounts increased reliability, performance, and data locality.</p><p class="wysiwyg-text-align-justify"> </p>