Uploaded May 2026 | Updated September 2026, 2 weeks ago

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For more details on this topic, visit the AWS Knowledge Center on AWS re:Post and read the full article associated with this video: https://repost.aws/knowledge-center/iam-policy-simulator

The AWS Knowledge Center contains trusted, expert-reviewed answers to frequently asked questions across AWS services, including EC2, S3, IAM, Lambda, Bedrock, and more.

Lance shows you how to use the IAM policy simulator to test AWS IAM policies and permissions without affecting your production environment.

0:00 Introduction
0:30 Test policies using the IAM policy simulator console
1:31 Simulate actions and debug permission denials
2:20 Test policies using the AWS CLI
2:50 Limitations of the policy simulator
3:16 Closing

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