Remote Access error 691 with the explanation that the username and password are wrong or the selected authentication protocol is not permitted on the remote access server. This is strange, as it works from the GUI but not from the rasdial command.
Full Answer
What does error 691 mean on a remote connection?
He kept getting this error: Error: 691: The remote connection was denied because the user name and password combination you provided is not recognized, or the selected authentication protocol you selected is not permitted on the remote access server. Here, the protocol setting was causing the problem.
How to fix VPN error 691 on Windows 10?
Sometimes, to fix error 691 you have to use Microsoft CHAP Version 2. Why? Because VPNs use different protocols. You can use Microsoft CHAP Version 2 by following these steps: Press Win Key + X key combination to open the Windows Menu. Select Network Connections. Find your VPN connection, right-click, and select Properties from the menu.
What is error 691 or 812 in Active Directory?
However, administrators may encounter a another scenario in which they receive errors 691 or 812 which is related to Active Directory user account configuration. When attempting to establish an Always On VPN connection using the Secure Socket Tunneling Protocol (SSTP), administrators may encounter the following error message.
Why am I receiving TLS error 691 or 812?
There are numerous issues that can result in these errors, and in that post I pointed out they can be caused by disabling TLS 1.0 on Windows Servers prior to Windows Server 2016. However, administrators may encounter a another scenario in which they receive errors 691 or 812 which is related to Active Directory user account configuration.
How do I fix error code 691?
Fix VPN Error 691, The remote connection was not made or deniedVerify the logon ID and password are correct.Use Microsoft CHAP Version 2.Uncheck 'Include Windows logon domain' option.Check connection's security settings.Change the LANMAN parameters.
How do I fix Error 691 on broadband?
"Error 691" Error Message When You Try to Connect to Your ISPVerify Your User Name and Password. ... Verify the Phone Number. ... Allow Unsecured Password. ... Check For Phone Line Noise. ... Lower the Connection Speed. ... Disable Hardware Flow Control. ... Disable Modem Error Control. ... Disable Modem Compression.More items...
Can't connect to VPN the remote connection was denied?
Can't connect to VPN the remote connection was denied? The most common fix when using a VPN connection is to change the settings on your VPN connection to allow Microsoft CHAP Version 2. This setting is found in Properties panel of the VPN connection. Go to Security tab and check the box.
Can't connect to VPN the network connection between your computer and the VPN server could not be established because the remote server is not responding?
The network connection between your computer and the VPN server could not be established because the remote server is not responding. This could be because one of the network devices (e.g, firewalls, NAT, routers, etc) between your computer and the remote server is not configured to allow VPN connections.
Which has failed the error code returned on failure is 691?
error 691 "The remote connection was denied because the user name and password combination you provided is not recognized, or the selected authentication protocol is not permitted on the remote access server. Additionally, the domain user's bad password count can increment, resulting in an account lockout.
What does error 651 mean when connecting to the Internet?
Running into connection error 651 is an indication that communication between your PC and your DSL router or DLAN adapter has been interrupted.
Why is my remote VPN not working?
Failure to connect to the internet with a VPN is often caused by firewalls, blocked ports, outdated VPN software, or simply a failure of your router. Make sure that your firewall allows for use of the VPN, that your VPN software is updated, and that the right ports aren't blocked.
How do I fix my VPN connection problem?
When your VPN won't connect, try these solutions:Check whether your internet connection is alright. ... Check your credentials. ... Check whether your preferred VPN server is working. ... Check if you have the right ports opened. ... Look for VPN software issues. ... Check the firewall blocking. ... Contact customer service. ... Grant access.More items...•
How do I resolve remote access to my server?
To fix the problem, check the configuration and see if that helps.Double-check the Hostname. ... Use a reliable VPN to create a remote connection. ... Flush the DNS and reset connections with Command Prompt. ... Disable your firewall. ... Change your DNS. ... Restart RasMan process. ... Close anti-virus software and firewalls. ... Disable your proxy.More items...•
Why is L2TP not working?
The L2TP error occurs when the VPN fails to establish a secure connection to a server. You can resolve this issue by uninstalling the latest Windows security pack, i.e., KB5009543, or disabling the vendor ID. Alternatively, you can reinstall the VPN Network Adapter to troubleshoot this problem.
How do I fix the L2TP connection attempt failed because of security?
For that:Press “Windows” + “R” to open the “Run” prompt. ... Type in “ncpa. ... Right-click on the “VPN” connection that has been added and select “Properties“. ... Click on the “Options” tab and select “PPP Settings“.Check the “Enable LCP Extensions” option and click on the “OK” button.More items...•
How do you fix a connection to the remote computer could not be established?
Solution 2 : Disable ProxyPress Windows key + R to open run command box.Write inetcpl. cpl in it and click OK.Click on Connections Tab from the top tab list.Now, click on LAN Settings.Make sure that Use a Proxy server for your LAN is unchecked.
Can't connect to server 678 Trying special dial mode?
Error 678 is due to poor connectivity and most probably modem is the actual reason behind it. The poor connectivity can be due to faulty Ethernet cable, loose connection between modem and computer or even the modem might be corrupted.
How do I fix Error 628?
Error 628 - connection terminated by the remote computer before it could be connectedConnect the modem to your device.Press Windows + X, click on Device Manager.Right click on the modem device and select Uninstall.Now restart the device and let it install the modem drivers.
What is Error 720 in dial up connection?
Error 720: Dial-Up networking could not negotiate a compatible set of network protocols you specified in Server Type settings. Check your network configuration in network control panel and try the connection again.
Method 1: Allow Microsoft Chap Version 2
Additionally, because this is an error with the VPN connection you may need to change the VPN properties in order to gain access. While changing th...
Method 2: Uncheck Include Windows Logon Domain from VPN Options
If the VPN Client is attempting to login with their domain, whereas the domain on the server is different or the server is setup to authenticate wi...
Method 3: Changing Lanman Parameters
Usually, if the client has a newer OS and is connecting and VPNning into an older server then the encryption set on the client could also trigger t...
Method 1: Allow Microsoft CHAP Version 2
Additionally, because this is an error with the VPN connection you may need to change the VPN properties in order to gain access.
Method 2: Uncheck Include Windows logon domain from VPN Options
If the VPN Client is attempting to login with their domain, whereas the domain on the server is different or the server is setup to authenticate with just the username and password, then you may see this error.
Method 3: Changing LANMAN Parameters
Usually, if the client has a newer OS and is connecting and VPNning into an older server then the encryption set on the client could also trigger this error.
Why is VPN error 691?
Usually, Error 691 is the result of an incorrect username or password. In other cases, it may also happen when you are using a Public VPN and attempting to login to the VPN with a domain that isn't permitted, ...
How to send LM and NTLM?
Press on the "Local Security Settings" tab and choose "Send LM & NTLM responses" from the options in the drop-down menu.
What error is prevented by changing LANMAN parameters?
According to some reports, changing LANMAN parameters prevented error 691. Here's how to do that:
How we fix common Windows VPN error
At Bobcares, where we have more than a decade of expertise in managing servers, we see many customers face problems with VPN connection.
1. Incorrect Security settings
Recently, one of our customers had a problem with his VPN connection. After upgrading to Windows 8, he couldn’t VPN into his old Windows Server 2003 machine. He kept getting this error:
2. Problems with Networking settings
Similarly, many customers may get this VPN error because of bad settings in the Networking configuration. Sometimes, the windows server is set up to authenticate with just the username and password instead of domain name. When a VPN Client is attempting to log in with their domain, the VPN error may happen.
SSTP and Error 691
When attempting to establish an Always On VPN connection using the Secure Socket Tunneling Protocol (SSTP), administrators may encounter the following error message.
IKEv2 and Error 812
When attempting to establish an Always On VPN connection using Internet Key Exchange version 2 (IKEv2), administrators may encounter the following error message.
NPS Event Log
On the NPS server the administrator will find an entry in the application event log with event ID 6273 from the Microsoft Windows security auditing source and the Network Policy Server task category indicating the network policy server denied access to the user.
Resolution
There are two options available to address this issue. The user account in Active Directory can be configured to grant access or allow access to be controlled via NPS network policy, or the NPS network policy can be configured to ignore user account dial-in properties.
