Microsoft has confirmed that the Windows 10 May 2019 Update (version 1903) contains a bug that could break the Remote Access Connection Manager (RASMAN) service on certain devices, which could drop users' VPN connections. In an update to its support document, the company revealed that the bug affected Windows 10 version 1903 with the KB4497935 update installed. According to Microsoft's updated changelog, the RASMAN service may stop working and administrators or users will receive a "0xc0000005" error when a system running the latest version of Windows 10 is manually set to Telemetry not defined by default. from zero. The issue itself occurs when a VPN profile is configured as an Always On VPN (AOVPN) with or without a device tunnel. Fortunately, the issue does not affect profiles or manual VPN connections, which are more commonly used by consumers looking to protect their devices online and prevent unwanted tracking.
RASMAN questions
If you are using a permanent VPN connection, you can resolve the issue by configuring a new value for two Group Policy settings:- Group Policy Path: Computer Configuration Administrative Templates Windows Components Preview Versions and Data Collection Allow Telemetry
- Secure Policy Settings: Enabled and set to 1 (Base), 2 (Enhanced), or 3 (Full)
- Subclave: HKEY_LOCAL_MACHINE SOFTWARE Policies Microsoft Windows DataCollection
- Configuration: AllowTelemetry
- Type: REG_DWORD
- Value: 1, 2 or 3