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In this guide, you’ll learn how AWS Resource Access Manager (AWS RAM) enables secure, scalable sharing of AWS resources across accounts and within AWS Organizations. By centralizing resource-sharing configurations, AWS RAM reduces operational overhead and enforces consistent access controls in multi-account environments.
The image is a flowchart illustrating the process of sharing resources with AWS Resource Access Manager (RAM), including steps to select resources, specify principals, and share resources.

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Key Steps for Sharing Resources with AWS RAM

  1. Select Resources
    Choose the resource types you want to share—such as subnets, transit gateways, or AWS License Manager configurations—and add them to a new resource share.
  2. Specify Principals
    Grant access to AWS accounts, organizational units (OUs), or your entire AWS Organization. You can mix and match account IDs, OU IDs, or organization IDs as principals.
  3. Create the Resource Share
    Review your configuration and create the share. AWS RAM will provision permissions automatically so that authorized principals see and use the resources in their own accounts.
Once a resource share is active, shared resources appear in the AWS Console of each authorized account under “Shared with me.” IAM policies and service-linked roles must be configured appropriately to allow full access.

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Common AWS RAM Resource Types

Resource TypeDescriptionExample Use Case
Amazon VPC SubnetShare VPC subnets across multiple accountsDeploy EC2 instances in a shared network
AWS Transit GatewayCentral hub for inter-VPC connectivityConnect VPCs across different accounts
AWS License ManagerDistribute and manage software licensesCentralize license pools organization-wide
Route 53 Resolver RuleShare DNS resolution policiesEnforce DNS rules across environments

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Best Practices

  • Implement least-privilege IAM roles and policies for shared resources.
  • Audit resource share activity using AWS CloudTrail.
  • Tag shared resources for cost allocation and tracking.

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