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How to Fix Microsoft Defender VPN Require Encryption Connection Errors
Question details
The user is unable to connect to the Microsoft Defender VPN due to a required encryption error, requiring proper organizational server configuration.
- Product
- Microsoft Defender
- Device & OS
- not provided
- Scenario
- Attempting to establish a secure VPN connection using Microsoft Defender's built-in VPN capability.
- Observed behavior
- The connection fails with a prompt indicating that encryption is required, which usually happens because the user is attempting to use the enterprise identity feature as a standalone consumer VPN.
Determine whether you are attempting to configure an enterprise network environment or looking for personal internet privacy, as Microsoft Defender VPN is not a standalone consumer VPN service.
Configure Enterprise VPN and RADIUS Integration
Use this solution if you are an IT administrator configuring Microsoft Defender for Identity in a supported organizational environment.
Microsoft Defender's VPN feature is designed to integrate with a VPN server to monitor and protect against identity-based attacks. It requires a specific organizational setup rather than simply toggling a switch.
Ensure that your organization is using a supported enterprise VPN server that is capable of processing RADIUS accounting.
Access your VPN server settings and configure it to forward RADIUS accounting messages directly to the Microsoft Defender for Identity sensor.
Log in to the Microsoft 365 Defender portal, navigate to the VPN integration settings, and input the shared secret that matches the configuration on your VPN server.
Switch to a Dedicated Consumer VPN Provider
Use this solution if you are an individual user seeking standard network encryption and internet privacy.
Boost Your Productivity Securely with WPS Office
While resolving your network security configurations, ensure your local document processing is efficient and secure. WPS Office is a lightweight, fully compatible office suite that handles your daily tasks without complex enterprise setups.
- 1. Download the Installer: Visit the official WPS Office website and download the free installation package for your operating system.
- 2. Install WPS Office: Run the downloaded installer and follow the simple on-screen instructions to set up the software on your device.
- 3. Open Your Documents: Launch WPS Office and instantly open your existing Microsoft Word, Excel, and PowerPoint files with perfect formatting.
Frequently Asked Questions
Is Microsoft Defender VPN a free service for personal use?
No, Microsoft Defender VPN integration is not a general-purpose consumer VPN. It is an enterprise security feature designed to monitor and protect organizational VPN connections from identity-based attacks.
Why does Microsoft Defender say encryption is required when I try to connect?
This error occurs because the Defender VPN feature is expecting to communicate with an organizational VPN server equipped with specific RADIUS accounting configurations and shared secrets, which are missing in your setup.
Where do I find the VPN shared secret for Microsoft Defender?
The shared secret is a security key established between your organization's VPN server and the Microsoft Defender for Identity sensor. It must be manually configured by an IT administrator in both the VPN server settings and the Microsoft 365 Defender portal.
