EC2 InvalidVpcEndpointServicePermissionID.Malformed

The specified VPC endpoint service permission ID is not in the correct format.

Understanding Amazon EC2 and VPC Endpoint Services

Amazon Elastic Compute Cloud (EC2) is a web service that provides resizable compute capacity in the cloud, making web-scale cloud computing easier for developers. A Virtual Private Cloud (VPC) allows you to launch AWS resources into a virtual network that you've defined. VPC Endpoint Services enable private connections between your VPC and supported AWS services and VPC endpoint services powered by AWS PrivateLink.

Identifying the Symptom: InvalidVpcEndpointServicePermissionID.Malformed

When working with VPC Endpoint Services, you might encounter the error code InvalidVpcEndpointServicePermissionID.Malformed. This error indicates that the VPC endpoint service permission ID you provided is not in the correct format.

What You Might Observe

When this error occurs, you will typically see a message similar to: "The specified VPC endpoint service permission ID is not in the correct format." This can happen during operations such as creating or modifying VPC endpoint service permissions.

Understanding the Issue

The error InvalidVpcEndpointServicePermissionID.Malformed suggests that the format of the permission ID does not match the expected pattern. This can occur due to typographical errors or incorrect copying of the ID.

Common Causes

  • Incorrectly formatted permission ID.
  • Copy-paste errors leading to extra spaces or characters.
  • Using an outdated or invalid permission ID.

Steps to Fix the InvalidVpcEndpointServicePermissionID.Malformed Error

To resolve this issue, follow these steps:

Step 1: Verify the Permission ID Format

Ensure that the permission ID follows the correct format. The ID should be a valid string that matches the expected pattern. Refer to the AWS VPC Endpoint Service Documentation for the correct format.

Step 2: Check for Typographical Errors

Double-check the permission ID for any typographical errors. Ensure there are no extra spaces, missing characters, or incorrect characters.

Step 3: Use the AWS CLI to Validate

Use the AWS Command Line Interface (CLI) to list your VPC endpoint service permissions and verify the correct ID. Run the following command:

aws ec2 describe-vpc-endpoint-service-permissions --service-id

Replace <your-service-id> with your actual service ID. This will list all permissions associated with your service, allowing you to verify the correct ID.

Step 4: Update the Permission ID

If you find that the ID is incorrect, update your configuration with the correct permission ID. Ensure that all scripts or applications using this ID are updated accordingly.

Conclusion

By following these steps, you can resolve the InvalidVpcEndpointServicePermissionID.Malformed error and ensure that your VPC endpoint services operate smoothly. For further assistance, refer to the AWS Support page or consult the AWS Forums for community help.

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