Error 691: Access denied because username and/or password is invalid on the domain. You can try these steps: 1) Verify the logon ID and password are correct. 2) Make sure the Include Windows logon domain check box is unchecked in the Options tab of the dial-up connection’s Properties dialog box.
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.
Method 3: Changing LANMAN Parameters.
How do I fix Error 691?
Confirm your username and password.
Check your phone number.
Allow insecure password.
Check phone noise.
Reduce your connection speed.
Disable hardware flow control.
Disable modem error checking.
Disable modem compression.
Can not connect to VPN Windows 7?
Check network connection settings
If the VPN is not working on Windows 10, try changing your network settings. To do this, follow these steps: Open the control panel and access our network and the Internet. Now click “Network and Sharing” > “Network Connection Control Center”.
How do I fix VPN error 619?
Reinstall the VPN app.
Prevent differences in VPN connection on your computer.
Turn off your firewall and antivirus programs.
Check the VPN on another PC.
Set up RRTP.
How do I fix error 619 a connection to the remote computer?
Reset Winsock. The first troubleshooting step is definitely Winsock reset error on PC.
Disable the firewall and installed network utilities. We solve most port related problems by outsourcing the security software installed on a large PC.
Check COM ports.
Restart your computer.
What does VPN error 691 mean?
“VPN error 691. Union remote access was denied because the driver name and password combination you configured is not recognized, or the authentication protocol you selected is never allowed on the remote server.” A remote access error that occurs when the client connection is not a dial-up connection.
Why am I getting a dial up error 691?
Since the error is caused by a double cause, the network layer throws this dial-up error even if the connection is not dial-up. Error 691 occurs when the configuration of one of the products (client or server) is completed and the connection is not guaranteed to be authentic.
What does error 691 and/or 812 mean?
“Testing connection to does not match any policy created by the network.” As mentioned earlier, administrators receive information about 691 and/or 812 errors when a particular network policy is not configured correctly on the NPS forum.
How do I fix VPN error 691?
Fix VPN Error 691 on Windows 11/10
- Make sure that the login ID and password are correct.
- Use Microsoft CHAP version 2.
- Turn off enabling the domain when logging on to Windows”.
- Change all LANMAN settings.
< li> >Check login security settings.
Which has failed the error code returned on failure is 691?
Typically error 691 is the result of an invalid username and may be a password. In other cases, it can also happen that you usually use a public VPN and try to connect positively to the VPN with a large unauthorized domain, or when most of the necessary security protocols don’t match.
How do I fix error code 691?
Fix VPN error 691 related to Windows 11/10
- Make sure the login ID and modification are correct.
- Use Microsoft CHAP version 2.
- Turn off Enable Windows Domain Logon.
- Check your connection settings.
- Change LANMAN settings.
Charles Howell is a freelance writer and editor. He has been writing about consumer electronics, how-to guides, and the latest news in the tech world for over 10 years. His work has been featured on a variety of websites, including techcrunch.com, where he is a contributor. When he’s not writing or spending time with his family, he enjoys playing tennis and exploring new restaurants in the area.