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I have a new Windows 10 Prof. PC that will not VPN into our office. All other computers, Windows 7, 10 and Apple can VPN in just fine. When the user tries to connect I comes back with a Can't connect to <br />
The VPN connection between your computer and the VPN server could not be completed. The most comman cause for this failure is that at least one internet device (for example, a firewall or a router) between your computer and the VPN server is not configured to all Generic routing encapsulation (GRE) protocol packets. <br />
The setting I tried and works on all other Windows 10 except this one is<br />
Type of VPN: Auto and PPTP (works on other PCs)<br />
Please advise thanks
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I have a new Windows 10 Prof. PC that will not VPN into our office. All other computers, Windows 7, 10 and Apple can VPN in just fine. When the user tries to connect I comes back with a Can't connect to 
The VPN connection between your computer and the VPN server could not be completed. The most comman cause for this failure is that at least one internet device (for example, a firewall or a router) between your computer and the VPN server is not configured to all Generic routing encapsulation (GRE) protocol packets. 
The setting I tried and works on all other Windows 10 except this one is
Type of VPN: Auto and PPTP (works on other PCs)
Please advise thanks

VPN connection will not work on Windows 10

Windows 10 is a personal computer operating system featuring the "universal application architecture" (UAP); apps can be designed to run across multiple devices with nearly identical code, including PCs, tablets, smartphones, embedded systems, Xbox One, Surface Hub and HoloLens. Windows 10 also includes a virtual desktop system, a window and desktop management feature called Task View, the Microsoft Edge web browser, support for fingerprint and face recognition login, voice-based search (Cortana), new security features for enterprise environments, and DirectX 12 and WDDM 2.0 to improve the operating system's graphics capabilities for games.

Windows 10

A router is a networking device that forwards data packets between computer networks. Routers perform the "traffic directing" functions on the Internet. The most familiar type of routers are home and small office cable or DSL routers that simply pass data, such as web pages, email, IM, and videos between computers and the Internet. More sophisticated routers, such as enterprise routers, connect large business or ISP networks up to the powerful core routers that forward data at high speed along the optical fiber lines of the Internet backbone. Though routers are typically dedicated hardware devices, use of software-based routers has grown increasingly common.

Routers

A virtual private network (VPN) is a network that uses a public telecommunication infrastructure, such as the Internet, to provide remote offices or travelling users access to a central organizational network securely. VPNs encapsulate data transfers using secure cryptographic methods and other security mechanisms to ensure that only authorized users can access the network and that the data cannot be intercepted.