Troubleshooting AWS Client VPN

The following sections can help you troubleshoot problems that you might have with a Client VPN endpoint.

For more information about troubleshooting OpenVPN-based software that clients use to connect to a Client VPN, see Troubleshooting Your Client VPN Connection in the AWS Client VPN User Guide.

Common problems

• Unable to resolve the Client VPN endpoint DNS name

• Traffic is not being split between subnets

• Authorization rules for Active Directory groups not working as expected

• Clients can't access a peered VPC, Amazon S3, or the internet

• Access to a peered VPC, Amazon S3, or the internet is intermittent

• Client software returns TLS error

• Client software returns user name and password errors — Active Directory authentication

• Client software returns user name and password errors — federated authentication

• Clients cannot connect — mutual authentication

• Client returns a credentials exceed max size error — federated authentication

• Client does not open browser — federated authentication

• Client returns no available ports error — federated authentication

• VPN connection terminated due to IP mismatch

• Routing traffic to LAN not working as expected

• Verify the bandwidth limit for an endpoint