Urgent: EC2 Instances Running but Inaccessible After Overdue Payment Cleared - AWS Account

When your AWS account has an overdue payment that's cleared, there can sometimes be a delay before all services are fully restored to normal operation. Even though your EC2 instances show as "running" in the dashboard, there are several reasons why you might still be experiencing connectivity issues:

1. Account Recovery Delay: After clearing an overdue payment, AWS systems may need some time to fully restore all services and access. This process isn't always instantaneous.

2. Instance State vs. Accessibility: While your instances show as "running," they might still be in a recovery state internally. The status checks showing as passed (3/3) only indicate that the instance hardware and basic networking are functioning, not necessarily that all services on the instance are operational.

3. SSH Connection Issues: If you're unable to connect via SSH, this could be because:

• The SSH service on the instance might not have restarted properly
• There might be network configuration issues that need to reset
• Security groups or network ACLs might need time to fully reactivate

Here are some troubleshooting steps you can take:

1. Perform a full stop and start (not just reboot) of your instances. This will migrate them to new host hardware and might resolve underlying issues. Note that this will change the public IP address if you're not using an Elastic IP.

2. Check your security group settings to ensure they still allow inbound SSH traffic (port 22) from your IP address.

3. Verify your network configuration, including route tables and internet gateway connections.

4. Try connecting using EC2 Instance Connect through the AWS Management Console as an alternative to traditional SSH.

5. Check system logs in the EC2 console for any error messages that might indicate what's preventing connections.

If these steps don't resolve the issue within 24 hours of your payment clearing, I would recommend contacting AWS Support directly as they can investigate account-specific issues that might be affecting your instance accessibility.
Sources
Error establishing SSH connection to your instance. Access to EC2 has been lost | AWS re:Post
EC2 Instance not visible on EC2 Dashboard on my account | AWS re:Post
Suddenly I can't connect to my ec2 server | AWS re:Post
Cannot connect yo my instance anymore | AWS re:Post

This kind of issue can happen after an account suspension due to overdue payment — even if your EC2 instances appear as "running," access (like SSH or instance actions) can remain restricted until all backend services are fully restored.

I recommend:

• Verify that your account is fully reactivated in the Billing Dashboard — check for any remaining dues or account hold status.

• Check your VPC, Elastic IPs, and Security Groups — sometimes networking components are detached or reconfigured during the suspension.

• If the EC2 console actions (like stop/start) fail or timeout, try using the AWS CLI to reboot or check status: aws ec2 describe-instance-status --instance-ids i-13345678910

• If it's been more than a few hours since the payment was cleared, I strongly recommend opening a high-priority support case: https://console.aws.amazon.com/support/home#/case/create