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EC2 Permission Denied / Auth Failure Diagnostic Troubleshooter (Part 2)

Use the interactive troubleshooter below to identify your EC2 permission denied or auth failure symptom, review the raw evidence, understand the root cause, and apply the recommended fix.

🚨 Step 1: What specific error symptom are you experiencing?

Please click the most accurate description:


Quick Reference Table

#ScenarioKey Error SignalRoot CauseThe Fix
4SELinux — Unable to load SELinux PolicyUnable to load SELinux Policy. Machine is in enforcing mode. Halting now. / Kernel panic - not syncing: Attempted to kill init!SELinux has been enabled in error on a system where the supplied kernel is not supported by GRUB and a fallback kernel does not exist.N/A
5unauthorized — Unauthorized exception when tagging spot-fleet-requestyou will get an unauthorized exception when you try to tag the fleet. (Using IAM Policy with Resource: arn:aws:ec2:us-east-1:111122223333:spot-fleet-request/*)Amazon EC2 currently does not support resource-level permissions for the spot-fleet-request resource, causing an authorization failure when creating and tagging a fleet.Change the IAM policy statement configuration to "Resource": "*" for both the ec2:CreateTags and ec2:RequestSpotFleet actions.