- Problem: Users receive "Access Denied" errors.
- Solution:
- Check the user's permissions and ensure they have the correct policies attached.
- Review the IAM policy and ensure it grants the required actions.
- Problem: Policies seem to not apply correctly.
- Solution:
- Verify that the policy is correctly attached to the user, group, or role.
- Use IAM Policy Simulator to test the policy and identify issues.
- Problem: Roles cannot be assumed.
- Solution:
- Check the trust policy of the role to ensure it allows the intended entities to assume the role.
- Verify the role's permissions and make sure they are correctly configured.
- Using IAM Policy Simulator:
- Sign in to the AWS Management Console.
- Open the IAM console at IAM Dashboard.
- In the navigation pane, click Policy Simulator.
- Enter the policy details and simulate actions to test permissions.