Zendesk will perform critical maintenance which will impact performance for notified customers on Pod 17 from August 5-15 2025, during the times listed below.

Affected products: Messaging & Sunshine Conversations

Important:  Only customers 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.
Customers Affected: Zendesk Messaging and Sunshine Conversations customers on Pod 17 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
August 5, 2025 17 13:30 UTC /
9:30 EDT 		  14:10 UTC /
10:10 EDT
August 5, 2025 17 14:45 UTC /
10:45 EDT 		  15:25 UTC /
11:25 EDT
August 5, 2025 17 17:15 UTC /
13:15 EDT 		  17:55 UTC /
13:55 EDT
August 5, 2025 17 18:30 UTC /
14:30 EDT 		  19:10 UTC /
15:10 EDT
August 5, 2025 17 19:45 UTC /
15:45 EDT 		  20:25 UTC /
16:25 EDT
August 6, 2025 17 13:30 UTC /
9:30 EDT 		  14:10 UTC /
10:10 EDT
August 6, 2025 17 14:45 UTC /
10:45 EDT 		  15:25 UTC /
11:25 EDT
August 6, 2025 17 17:15 UTC /
13:15 EDT 		  17:55 UTC /
13:55 EDT
August 6, 2025 17 18:30 UTC /
14:30 EDT 		  19:10 UTC /
15:10 EDT
August 6, 2025 17 19:45 UTC /
15:45 EDT 		  20:25 UTC /
16:25 EDT
August 7, 2025 17 13:30 UTC /
9:30 EDT 		  14:10 UTC /
10:10 EDT
August 7, 2025 17 14:45 UTC /
10:45 EDT 		  15:25 UTC /
11:25 EDT
August 7, 2025 17 17:15 UTC /
13:15 EDT 		  17:55 UTC /
13:55 EDT
August 7, 2025 17 18:30 UTC /
14:30 EDT 		  19:10 UTC /
15:10 EDT
August 7, 2025 17 19:45 UTC /
15:45 EDT 		  20:25 UTC /
16:25 EDT
August 12, 2025 17 13:30 UTC /
9:30 EDT 		  14:10 UTC /
10:10 EDT
August 12, 2025 17 14:45 UTC /
10:45 EDT 		  15:25 UTC /
11:25 EDT
August 12, 2025 17 17:15 UTC /
13:15 EDT 		  17:55 UTC /
13:55 EDT
August 12, 2025 17 18:30 UTC /
14:30 EDT 		  19:10 UTC /
15:10 EDT
August 13, 2025 17 13:30 UTC /
9:30 EDT 		  14:10 UTC /
10:10 EDT
August 13, 2025 17 14:45 UTC /
10:45 EDT 		  15:25 UTC /
11:25 EDT
August 13, 2025 17 17:15 UTC /
13:15 EDT 		  17:55 UTC /
13:55 EDT
August 13, 2025 17 18:30 UTC /
14:30 EDT 		  19:10 UTC /
15:10 EDT
August 14, 2025 17 13:30 UTC /
9:30 EDT 		  14:10 UTC /
10:10 EDT
August 14, 2025 17 14:45 UTC /
10:45 EDT 		  15:25 UTC /
11:25 EDT
August 14, 2025 17 17:15 UTC /
13:15 EDT 		  17:55 UTC /
13:55 EDT
August 14, 2025 17 18:30 UTC /
14:30 EDT 		  19:10 UTC /
15:10 EDT
August 15, 2025 17 13:30 UTC /
9:30 EDT 		  14:10 UTC /
10:10 EDT
August 15, 2025 17 14:45 UTC /
10:45 EDT 		  15:25 UTC /
11:25 EDT
August 15, 2025 17 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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