Amazon Elastic Compute Cloud (EC2) is a web service that provides resizable compute capacity in the cloud. It is designed to make web-scale cloud computing easier for developers. Security groups act as a virtual firewall for your instance to control inbound and outbound traffic.
When working with EC2 instances, you might encounter the error InvalidSecurityGroupID.NotFound. This error typically occurs when you attempt to launch or modify an instance with a security group ID that does not exist or is incorrect.
The error code InvalidSecurityGroupID.NotFound indicates that the specified security group ID is not found in your account. This can happen if the security group has been deleted, or if there is a typo in the security group ID.
To resolve the InvalidSecurityGroupID.NotFound error, follow these steps:
Ensure that the security group ID you are using is correct. You can list all security groups in your account using the AWS CLI:
aws ec2 describe-security-groups --region
Check the output to confirm that the security group ID exists.
If the security group ID is not found, it may have been deleted. Verify with your team or check your AWS account's activity logs to see if the security group was removed.
Security groups are region-specific. Ensure that you are operating in the correct AWS region. You can set the region in your AWS CLI configuration or specify it in your commands:
aws configure set region
If the security group ID has changed or been deleted, update any scripts, configurations, or templates that reference the old ID with the new or correct security group ID.
For more information on managing security groups, refer to the AWS EC2 Security Groups Documentation. For troubleshooting AWS CLI commands, visit the AWS CLI Troubleshooting Guide.
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