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Adding MFA to Workspaces "failed" problem

I have been attempting to add Mult-Factor Authentication to my workspaces account for my user base. I have configured the radius server using Free Radius from this post here: https://aws.amazon.com/blogs/desktop-and-application-streaming/integrating-freeradius-mfa-with-amazon-workspaces/ and all goes according to plan. I have the FreeRadius server using LinOTP running. The problem is in the very last step, when I go to enable MFA in workspace , I put in the information and it just says "failed". Specifically, Step 6: Enable MFA on your AWS Directory Communication between the AWS Managed Microsoft AD RADIUS client and your RADIUS server require you to configure AWS security groups that enable communication over port 1812. Edit your Virtual Private Cloud (VPC) security groups to enable communications over port 1812 between your AWS Directory Service IP end points and your RADIUS MFA server. Navigate to your Directory Service console Click the Directory you want to enable MFA on. Select Network & Security tab, scroll down to Multi-factor authentication, click Actions and Enable. In Enable multi-factor authentication (MFA) configure MFA settings: Display label: Example RADIUS server IP address(es): Private IP of the Amazon Linux 2 instance Port: 1812 Shared secret code: the one set in /etc/raddb/clients.conf Confirm shared secret code: as preceding Protocol: PAP Server timeout (in seconds): 30 Max retries: 3 This operation can take between 5-10mins to complete. Once the Radius status is “completed” you can test MFA authentication from the WorkSpace client. I really have two questions: 1. How do I do this part? Edit your Virtual Private Cloud (VPC) security groups to enable communications over port 1812 between your AWS Directory Service IP end points and your RADIUS MFA server. Maybe I'm not setting up the endpoints correctly ? Do I go to the VPC and add endpoints there? CAn you pleae be specific. 2. How do I get more information from just the "failed" in red --- how do I access the creation logs? Thanks in advance, Jon
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