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. One of the features of EC2 is the ability to create Virtual Private Clouds (VPCs), which are isolated networks that can be connected through VPC peering.
When working with VPC peering connections in Amazon EC2, you might encounter the error code InvalidVpcPeeringConnectionID.Malformed. This error indicates that the VPC peering connection ID you have specified is not in the correct format.
Typically, this error is observed when attempting to describe, accept, or delete a VPC peering connection using the AWS Management Console, AWS CLI, or AWS SDKs. The operation fails, and the error message is displayed.
The error InvalidVpcPeeringConnectionID.Malformed arises when the format of the VPC peering connection ID does not match the expected pattern. A valid VPC peering connection ID typically starts with pcx- followed by a series of alphanumeric characters.
To resolve the InvalidVpcPeeringConnectionID.Malformed error, follow these steps:
Ensure that the VPC peering connection ID is correctly formatted. It should look something like pcx-0123456789abcdef0. Double-check for any typographical errors.
Ensure that you are operating in the correct AWS region where the VPC peering connection was created. You can set the region in the AWS CLI using:
aws configure set region us-west-2
Replace us-west-2 with your specific region.
Use the AWS CLI to list all VPC peering connections and verify the correct ID:
aws ec2 describe-vpc-peering-connections
Look for the correct ID in the output.
If the peering connection ID was recently deleted, it will no longer be valid. Ensure that the ID corresponds to an active peering connection.
For more information on VPC peering, visit the AWS VPC Peering Documentation. For troubleshooting AWS CLI issues, refer to the AWS CLI Troubleshooting Guide.
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