Always On VPN Windows Server RRAS Service Does Not Start

Always On VPN Windows Server RRAS Service Does Not StartAdministrators configuring a Windows Server Routing and Remote Access Service (RRAS) server to support Windows 10 Always On VPN connections may encounter an issue where the RemoteAccess service fails to start. Attempts to start the service might seem to work at first, but the service immediately stops again.

Troubleshooting

On the RRAS server, the Services management console (services.msc) or PowerShell Get-Service command shows the RemoteAccess service as being stopped. Attempts to start the service result in failure.

Always On VPN Windows Server RRAS Service Does Not Start

Event Log

Looking at the System event log on the RRAS server shows an error with event ID 7024 from the Service Control Manager source indicating “The Routing and Remote Access service terminated with the following service-specific error: A device attached to the system is not functioning.

Always On VPN Windows Server RRAS Service Does Not Start

Resolution

This issue is commonly caused when IPv6 is disabled on the server via the registry. To verify, open the registry editor on the RRAS server and navigate to the following location.

HKLM\SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters

If the DisabledComponents value is present and set to anything other than 0, set it to 0 or simply delete the DisabledComponents value completely and reboot the server.

Always On VPN Windows Server RRAS Service Does Not Start

The following PowerShell command can be used to remove the DisabledComponents value.

Remove-ItemProperty HKLM:\SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters -Name DisabledComponents

Additional Information

IPv6 Recommended Reading for Always On VPN and DirectAccess Administrators

Guidance for Configuring IPv6 in Windows for Advanced Users (Microsoft)

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