Zoho will run maintenance on its US data center on two late nights, and businesses that restrict access by IP address may need to update their lists.
Zoho will carry out maintenance on its US data center on two nights: November 21 and December 5, 2026. Each window runs from 8:30 PM to 12:30 AM Pacific time. The company says its services should keep running throughout.
Zoho calls this its annual infrastructure maintenance. A data center is the facility where a company's computers run the services its customers use. Zoho says it chose non-business hours and does not expect any major interruption. Customers should be able to keep using all Zoho services during the work.
Zoho says it will post an update on the same forum post once the maintenance is complete. Anyone who runs into a problem can email support@zohocorp.com or tweet @zohocares.
Some companies keep an approved list, often called a whitelist, of IP addresses allowed to reach their systems. An IP address is a number that identifies a computer on the internet. If you have added Zoho's IP address to such a list, Zoho asks you to also add the new addresses it names.
The new addresses were not included in the material available here, so they must come from Zoho's original post. Zoho has also not said what problems, if any, could appear during the two windows.
If your company restricts access by IP address, add the new Zoho addresses from Zoho's original post before November 21.
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