The config is: main office/domain with a local SQL server on the domain, users connect using ODBC connection w/ windows auth 2nd company/domain at a remote location, people vpn (windows pptp) to ...

Rather than buy an expensive hardware VPN device, you can use Windows Server 2003's built-in VPN to allow remote users to access network resources.

Fix VPN Error 800, The remote connection was not made because the attempted VPN tunnels failed. The VPN server might be unreachable.

This month's Windows Server updates are causing a wide range of issues for administrators, including VPN and RDP connectivity problems on servers with Routing and Remote Access Service (RRAS) enabled.

This Always On VPN connection delivers a DirectAccess-like experience using traditional remote access VPN protocols such as IKEv2, SSTP, and L2TP/IPsec.

Remote access VPNs allow offsite workers to easily and securely connect with their company’s network while working remotely.

Always On VPN is a remote access solution introduced by Microsoft as a successor to DirectAccess, made available on Windows Server 2016 and Windows 10 and all subsequent releases.