Microsoft will fix RRAS and VPN issues in July

After installing the Windows update released as part of Patch Tuesday this month, Microsoft has finally confirmed an internet connectivity issue affecting Routing and Remote Access Service (RRAS) enabled servers.

RRAS is a Windows service that provides additional TCP routing and connectivity capabilities (for example, remote access or site-to-site connections) using a virtual private network (VPN) or connection switched.

In addition to the RRAS server having traffic routing issues, Redmond said client devices may also experience issues after connecting to the affected server, and the server may also lose internet connectivity in the process.

Bugs fixed in July via Windows Update

Windows administrators started experiencing issues (i.e. LLTP/SSTP and RDP VPN clients not connecting) after installing the June Patch Tuesday update. The only solution is to uninstall the update for now.

Microsoft has now revealed that these issues will be fixed in the next Windows Cumulative Update (due July).

You can install “Preview” updates, they are supposed to fix problems. They allow administrators to test patches.

Windows 11 (KB5014668)

Windows Server 2022 (KB5014665)

Windows 10, version 1809 (KB5014669).

Workarounds are also available

A workaround is available to resolve these persistent connectivity issues.

Administrators can temporarily disable NAT functionality on RRAS servers to resolve the issue until a fix is ​​released.

Microsoft also announces that the latest preview cumulative update also resolves connection issues when using Wi-Fi hotspots.