Help Center/ Distributed Message Service for RocketMQ/ FAQs/ Instance FAQs/ Why Can't I Select Two AZs When Purchasing a RocketMQ 4.8.0 Instance?
Updated on 2025-07-29 GMT+08:00

Why Can't I Select Two AZs When Purchasing a RocketMQ 4.8.0 Instance?

For the reliability, you are advised to select three or more AZs when creating a cluster RocketMQ 4.8.0 instance. An instance deployed across two AZs may become unavailable when one of the AZs is faulty.