[Solved] You wrote this AWS CLI command in a script:aws ec2 start-instances --instance-ids i-1234567890abcdef0But it fails with 'UnauthorizedOperation'. What is the likely cause? | AWS

AWS - CLI

You wrote this AWS CLI command in a script:

aws ec2 start-instances --instance-ids i-1234567890abcdef0

But it fails with 'UnauthorizedOperation'. What is the likely cause?

AThe command syntax is incorrect

BThe instance ID is invalid

CThe IAM user lacks permission to start instances

DThe AWS CLI is not installed

Step-by-Step Solution

Solution:

Step 1: Analyze error message
'UnauthorizedOperation' means permission denied by AWS IAM policies.
Step 2: Check other options
Instance ID errors give different messages; CLI not installed causes command not found; syntax error shows syntax messages.
Final Answer:
The IAM user lacks permission to start instances -> Option C
Quick Check:
UnauthorizedOperation = D [OK]

Quick Trick: UnauthorizedOperation means missing IAM permission [OK]

Common Mistakes:

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