Common VPN error codes troubleshooting solutions for Windows 10

A Virtual Private Network or VPN is used to brand protected connections. These are ofttimes used over the Internet for a safer browsing experience. Such connections are known every bit VPN tunnels that are made betwixt a local customer together with a remote server.

Setting upward together with running a VPN is ofttimes a hard together with challenging chore that requires specialized noesis together with technology. When a VPN software connectedness fails, the customer programme reports an mistake message. This message typically includes an mistake code number. There are several dissimilar VPN mistake codes, simply to a greater extent than or less of them are real mutual together with appear inwards the bulk of the cases. These mistake codes tin assistance you lot fix VPN problems & issues. Here is how to troubleshoot mutual VPN errors that many users face.

While most of the VPNs involve measure network troubleshooting procedures in that place are sure enough mistake codes that receive got their ain specific solutions. Let's larn started together with explore how to troubleshoot mutual VPN mistake codes similar 691, 789, 800, 809, 609, 633, 0x80072746, 13801 together with 0x800704C9.

Before you lot take away to know that VPN software require proper TAP-Windows adapters to live on installed. Most VPN software volition download together with install this automatically during their installation, simply this is something you lot should know.

Troubleshoot mutual VPN mistake codes

1. VPN Error Code 800

Error Description: This is ane of the most mutual VPN errors. VPN 800 occurs when the remote connectedness was non made. This typically indicates that the VPN server powerfulness live on unreachable thence the messages are failing to achieve the server. This tin live on mainly due to:

• Invalid hollo or address of the VPN server
• Some Network Firewall blocks the VPN traffic
• The customer device loses the connectedness to the local network.
• IPSec negotiations if L2TP/IPSec tunnel is existence used has an inappropriate configuration inwards the safety parameters

Possible Cause: When the VPN tunnel type is ‘Automatic' together with the connectedness institution fails for all the VPN tunnels the mistake 800 occurs

Possible Solution:

1. Crosscheck that the VPN Server address, the username together with password are correct
2. Set the router together with firewall settings to permit for PPTP and/or VPN pass-through TCP Port 1723 together with GRE Protocol 47 must live on opened/enabled for the PPTP VPN connection.
3. For Windows users, larn to the VPN Properties, click on the Security tab, together with alter Type of VPN to Point to Point Tunneling Protocol (PPTP)

2. VPN Error Codes 609, 633

Error Description:

• 609: Influenza A virus subtype H5N1 non-existing device type was specified.
• 633: The modem or other connecting device is either already inwards purpose or non appropriately configured.

Possible Cause: This is nevertheless to a greater extent than or less other ane of the most mutual VPN errors. This resultant typically occurs when the connecting VPN Device (i.e. miniport) is non configured correctly together with likewise when the TCP port which is used past times VPN connectedness is already existence used past times to a greater extent than or less other program.

To confirm the presence of miniport Type netcfg.exe -q <miniport name> in the elevated ascendance prompt. Below listed are the miniport device request dissimilar tunnels:

• PPTP Tunnel: MS_PPTP
• L2TP Tunnel: MS_L2TP
• VPN Reconnect (IKEv2) Tunnel: MS_AGILEVPN
• SSTP Tunnel: MS_SSTP

Possible Solution:

1. The possible solution for these sort of mutual VPN errors is a built-in diagnostic alongside repair is provided inwards Windows. This is provided for the ‘missing miniport' resultant for VPN connections which are created locally. Clicking ‘Diagnostic' push which is shown on the Error page of the VPN connectedness gives a “repair” option, which volition evidence to create the resultant automatically, provided that it finds the resultant to live on miniport missing.
2. Stop together with Start, Remote Access Connection Manager (rasman) service.
3. Simply, reboot your system, together with and then connect to VPN.

3. VPN Error Code 0x80072746

Error Description: This is ane of the mutual VPN errors when the existing connectedness is forcibly unopen past times the remote host.

Possible Cause: This mistake comes when the server machine certificate binding to HTTPS is non done on the VPN server OR the server machine certificate is non installed on the VPN server.

Possible Solution:

• To resolve this issue, you lot take away to contact your VPN server administrator. This is to cheque whether the relevant machine certificate is installed on the VPN server or not.
• If it is installed correctly, you lot take away to cheque the HTTPS binding past times running the next ascendance at the VPN server ascendance prompt: “netsh http demonstrate ssl”

4. VPN mistake code 809

Error message: The network connectedness betwixt your reckoner together with the VPN server could non live on established because the remote server is non responding.

Possible solution: Enable the port (as mentioned above) on firewall/router. If that is non possible, deploy SSTP based VPN tunnel on both VPN server together with VPN customer – that allows VPN connectedness across firewalls, spider web proxies together with NAT.

5. VPN Error Code 13801

Error Description: Though it looks similar an occasional error, 13801 is ane of the most mutual VPN errors that users face. This mistake occurs when IKE authentication credentials are unacceptable.

Possible Causes: This mistake unremarkably comes inwards ane of the next cases:

• The machine certificate used for IKEv2 validation on RAS Server does non receive got “Server Authentication” every bit the EKU (Enhanced Key Usage).
• The machine certificate on RAS server has expired.
• The origin certificate to validate the RAS server certificate is non acquaint on the client.
• VPN Server Name every bit given on the customer doesn't correspond alongside the subjectName of the server certificate.

Possible Solution: Unfortunately, you lot won't live on able to create this resultant on your own. You take away to contact your VPN server administrator to verify together with create the inwards a higher house issue. To know to a greater extent than nigh this error, you lot tin read the Routing together with Remote Access Blog.

6. VPN Error Code 691

Error Description: Some of the mutual VPN errors receive got solutions that fifty-fifty you lot tin implement. Error code 691 is ane of such solvable mutual VPN errors. The mistake occurs when the remote connectedness was denied because the user hollo together with password combination you lot provided is non recognized, or the selected authentication protocol is non permitted on the remote access server.

Possible Cause: This mistake is given when the authentication stage erred out because of incorrect credentials existence passed.

Possible Solution:

• Make sure enough right username together with password is typed.
• Make sure enough “Caps Lock” is non turned ON spell typing credentials.
• Make sure enough the authentication protocol every bit selected on the customer is permitted on the server.

7. VPN Error Code 0x800704C9

Possible Cause: This is ane of the mutual VPN errors together with it occurs if no SSTP ports are available on the server.

Possible Solution: Thankfully, you lot tin troubleshoot this mistake on your own. First of all, verify that the RAS server has sufficient ports configured for remote access. To produce this, follow these steps:

• Start the Routing together with Remote Access MMC snap-in.
• Expand the server, right-click Ports, together with and then click Properties.
• In the Name list, click WAN Miniport (SSTP), together with and then click Configure.
• Modify the number that appears inwards the Maximum ports list, every bit appropriate for your requirements, together with and then click OK.

Note: By default, 128 ports are available for this device.

• In the Port Properties dialog box, click OK.

8. VPN mistake code 789

Error message: The L2TP connectedness endeavour failed because the safety layer encountered a processing mistake during initial negotiations alongside the remote computer.

Possible solution: This is a generic mistake which is thrown when the IPSec negotiation fails for L2TP/IPSec connections. So Make sure enough right certificate is used both on customer together with server side – for farther details refer to this blog. In representative Pre Shared Key (PSK) is used, brand sure enough the same PSK is configured on the customer together with the VPN server machine.

Apart from these mutual VPN errors, in that place are several other VPN errors that you lot may face. To persuasion the listing of other VPN errors, their possible movement together with their possible solution, watch TechNet. This post service volition assistance you lot alongside VPN mistake codes 732, 734, 812, 806, 835, 766, 13806, 0x80070040, 0x800B0101, 0x800B0109, 0x800B010F, 0x80092013, 0x800704D4 together with 0x80072746.

Source: https://www.thewindowsclub.com/

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