All checks

Medium Lambda · regional

VPC Lambda functions should operate in multiple Availability Zones

Verifies that Lambda functions connected to a VPC are associated with subnets in more than one Availability Zone.

service: Lambda
severity: Medium
scope: evaluated in every region

How to fix it

To ensure high availability, configure your function to connect to subnets in multiple AZs.

Review the VPC configuration of your Lambda functions.
Update the functions to connect to subnets in multiple AZs.

See which of your accounts this check is failing on.

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