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Recently, some readers have informed us that they have encountered Sprint broadband error 691. g.Error 691 VPN is a special dial-up error that occurs even if your connection is not normally dial-up. This error can occur if the paths on the client or server device are incorrect and the connection cannot be authenticated with certainty. The most common cause of error 691 is an unreadable username or password.
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Virtual Private Network (VPN) is a very important online tool that helps improve your online privacy and security. While VPN tools are great, there are a number of issues that lead to VPN loss and error messages. Several users reported that the connection failed with error 691. This can be inconvenient if you want to use a VPN. Fortunately, there are several ways to fix this problem yourself.
The online recovery connection was denied becauseThe combination of user tag and password you specified is not recognized, or the selected clients are not authorized for protocol d authentication to the remote device access server.
VPN error 691 is a dial-up error that always occurs when your connection is no longer dial-up. Currently, this error can occur if the user or server device settings are incorrect and the authenticity of the connection cannot be verified. The most common cause of error 691 is probably an incorrect username or password. Sometimes, mutual conflicts can also occur when using a public VPN and trying to directly connect to a VPN with a domain that is not authorized, or domains are not created at all, or domains are not created at all. Security protocols are not compliant.
Typically, the 691 VPN error occurs when there may be problems with network protocol settings, problems with virtual access permissions, firewall blocking, connection problems, etc.and more important reasons may end up like this:
- Incorrect username / password
- Incorrect connection security settings
- Network problems in settings
Here are some options to help you troubleshoot VPN error 691
- Check if your login ID and password are correct.
- Use Microsoft CHAP version 2
- Disable Enable Windows Logon Domain
- Check your connection security settings.
- Change LANMAN settings.
Option 6. Check Login ID And Correct Password
How do I fix Error 691?
Set up a private internet connection.Use Microsoft CHAP version 2.Uncheck the Enable domain for Windows logon box.BBe sure to change the LANMAN settings.Make sure your username and password are correct.Update your network drivers.Check all the security settings for your connection.
This may seem like an important decision, but it works in most cases. Sometimes the 691 error message is displayed if the VPN connection failed, if your username or password is incorrect. To ensure that your password is correct, we recommend that you use the Show password option to also check if you have accidentally enabled the CAPS LOCK option. 2
Option – Use Microsoft CHAP Version 2
Sometimes you might need to use Microsoft CHA to fix error 691P version 2; as VPN uses different types of protocols. You can use it by following these steps:
1]. Press “Win Key + X” to open the Windows menu
3] Once each window opens, select your VPN connection, right click, and select Properties from the menu
5] Select “Allow these protocols” and enable “Microsoft CHAP version 2 (MS-CHAP v2)”
After enabling Microsoft CHAP version 2, check to see if VPN error 691 is still displayed.
Option 3 – Disable Windows Logon Domain
This fix will work if your VPN connection is not configured correctly. Here you need to deactivate each of our “Windows logon domains” in the logon properties of your service. To fix the problem, follow these steps:
1] Press “Win key + X” to open the Windows menu
3] Find your VPN connection under Network Connections, right-click another and select Properties
4] Click each Settings tab and uncheck the box next to Enable Windows Logon Domain.
Option 4. Check Security Settingsand At The Connecting Airport
Error 691 VPN can occur if connection security settings are not configured properly. Follow the instructions for users to resolve this issue:
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1] Press “Win key + X” to expand the Windows menu
3] In the Network Connections section you will find your VPN connection, right-click it and select Properties
4] Go to the Security tab and make sure different options are selected for Standard (Recommended)
5] In the “Confirm my identity from consequences” section, the option “Do not allow the guaranteed password of an asset” is selected
6] Click the Settings tab and uncheck the Enable Windows Logon Domain checkbox.
Option 5. Change LANMAN Settings
Many users have confirmed that changing LANMAN settings fixes error 691. It’s easy, just follow these steps:
2] In the Run dialog box, enter gpedit.msc and click OK. this actually launches the local group policy editor
3] Follow this path in the left pane – Computer Configuration а> Windows Settings> Security Options> Local Policies> Security Options
4] Search twice in the right pane to select “Network Security: LAN Manager Authorization Level”
5] Go to the Local Security Settings tab and select Send LM and NTLM Responses from the drop-down menu
7] Now double click “Network Security: Minimum Session Security for NTLM-SSP”
8] Disable “Require 128-bit encryption” and enable “Require NTLMv2 processing security”
Now restart your computer to apply these changes and see if the inconvenience is resolved.
It can be very frustrating when VPN error appears at number 1 and you restrict your connection to the type of Internet you are using. VPN just like Error 691 pissed you off, our company recommends that you try individual solutions.
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How to fix Error 691 in Windows 10?
Hold down the Windows key and press R. Type secpol. msc and click OK. Go to “Administration” -> “Local Security Policy” -> “Local Policies” -> “Security Options” and select “Network Security: LAN Manager Check Level” and double click on it.
Which has failed the Error code returned on failure is 691?
error 691 “The remote connection was rejected because the combination of the smoker’s name and the password you specified was not recognized, or the selected authentication process was not authorized on the enhancement server c. In addition, the number of incorrect passwords for a domain user can be increased by an information lock.
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