Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).

Amazon managed policies for transit gateways

An Amazon managed policy is a standalone policy that is created and administered by Amazon. Amazon managed policies are designed to provide permissions for many common use cases so that you can start assigning permissions to users, groups, and roles.

Keep in mind that Amazon managed policies might not grant least-privilege permissions for your specific use cases because they're available for all Amazon customers to use. We recommend that you reduce permissions further by defining customer managed policies that are specific to your use cases.

You cannot change the permissions defined in Amazon managed policies. If Amazon updates the permissions defined in an Amazon managed policy, the update affects all principal identities (users, groups, and roles) that the policy is attached to. Amazon is most likely to update an Amazon managed policy when a new Amazon Web Service is launched or new API operations become available for existing services.

For more information, see Amazon managed policies in the IAM User Guide.

Amazon managed policy: AWSVPCTransitGatewayServiceRolePolicy

This policy is attached to the role AWSServiceRoleForVPCTransitGateway. This allows Amazon VPC to create and manage resources for your transit gateway attachments.

To view the permissions for this policy, see AWSVPCTransitGatewayServiceRolePolicy in the Amazon Managed Policy Reference.

Transit gateway updates to Amazon managed policies

View details about updates to Amazon managed policies for transit gateways since Amazon VPC began tracking these changes in March 2021.