Zendesk will perform critical maintenance which will impact performance for notified customers on Pod 13 from July 9-10, 2025, during the times listed below.

Affected products: Messaging & Sunshine Conversations

Important: Impacted customers (account owner and all admins) will receive a yellow notification banner in Support on Month Day. Only customers who have been notified and have Messaging enabled will be impacted, based on the Pod maintenance dates and timings below.
Customers Affected: Zendesk Messaging and Sunshine Conversations customers on Pod 13 who have been notified, will experience a brief service disruption of 40 minutes at some time within the 40 minute maintenance window.
Date POD Start Time End Time
July 9, 2025 13 17:15 UTC /13:15 EDT   17:55 UTC /13:55 EDT
July 9, 2025 13 18:30 UTC / 14:30 EDT   19:10 UTC /15:10 EDT
July 9, 2025 13 19:45 UTC / 15:45 EDT   20:25 UTC /16:25 EDT
July 10, 2025 13 13:30 UTC / 9:30 EDT   14:10 UTC /10:10 EDT
July 10, 2025 13 14:45 UTC / 10:45 EDT   15:25 UTC /11:25 EDT
July 10, 2025 13 17:15 UTC /13:15 EDT   17:55 UTC /13:55 EDT

Expected behavior: During the maintenance window, notified accounts attempting to use Messaging will find their accounts locked and unable to send outbound messages and instead 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.

What do customers have to do? If customers have have enabled their own client-side Content Security Policy than they must include *.zendesk.com on their allowlist to ensure that their integrations continue to initialize and function.

Why we're doing this: The Zendesk Messaging team is rehoming customers accounts to be located in the same data store as their Support accounts increased reliability, performance & data locality.

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