Retry the remote access connection. If the problem persists, make sure that you can connect to the Internet, and then contact the administrator for the remote access server. 822 The Network Access Protection (NAP) enforcement client did not respond. Please try to reconnect to the VPN server. If this problem persists, contact the VPN administrator and analyze quality of network connectivity. 808 The network connection between your computer and the VPN server could not be established because the remote server refused the connection. The password might have been too short or might have matched a previously used password. 710 Serial overrun errors were detected while communicating with the modem. 711 The operation could not finish because it could not start the Remote Access Service Manager service in time. The LAN connection selected as the private network is either not present, or is disconnected from the network. These services are required to establish the connection. This is typically caused by the use of an incorrect or expired certificate for authentication between the client and the server.
Please install and enable the Ethernet adapter on your computer via the Network Connections folder before attempting this connection. 815 The broadband network connection could not be established on your computer because the remote server is not responding. You might need to change the network settings for this connection. 721 The remote computer did not respond. 722 Invalid data was received from the remote computer. Please get the assistance of your administrator to determine where the pre-shared key problem is originating. 812 The connection was prevented because of a policy configured on your RAS/VPN server. Please contact your Administrator to ensure that the certificate being used for authentication is valid. 811 The network connection between your computer and the VPN server could not be established because the remote server is not responding.
This could be caused by an invalid value for the ‘Service Name’ field for this connection. Please contact the remote server’s Administrator to verify the server configuration and your connection settings. 809 The network connection between your computer and the VPN server could not be established because the remote server is not responding. Ensure that the certificate used for authentication is valid. 854 The remote access connection completed, but authentication failed because the certificate that authenticates the client to the server is expired. Please contact the Administrator of the RAS server and notify them of this error. 813 You have attempted to establish a second broadband connection while a previous broadband connection is already established using the same device or port. For more information about Routing and Remote Access, ICS, or ICF, see Help and Support. 783 Internet Connection Sharing cannot be enabled. This is typically caused by a pre-shared key problem between the client and server. A pre-shared key is used to guarantee you are who you say you are in an IP Security (IPSec) communication cycle.