Modem error 691 fix notes

November 16, 2020 by Charles Avitia

 

This user manual will help you if you have seen the 691 malfunction modem.

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Error 691: The computer you are connecting to cannot establish the remote network. Check your password and try again. Error 691: Access is denied because the username and / or password are invalid on the domain.

 

 

Error message "Error 691" when trying to connect to the provider

Check your username and password

Make sure that the CAPS LOCK key was not accidentally pressed and activated when entering the password.

Click Start, point to Connect To, and then click Remote Connection.

In the Login dialog box, make sure your username and password are correct in the Username and Password fields. the password provided by your ISP.

Check phone number

Make sure you are using the correct phone number to connect to your ISP.

Allow insecure passwords

Click Start, select Control Panel, Network and Internet Connections, and then click Network Connections.


error modem 691

Click on your commconnection, and then under Network Tasks, select Change settings for this connection.

Click the Security tab and make sure Normal (Recommended) is selected.

Make sure the "Allow insecure password" checkbox is checked in the "Verify my identity as follows" box.

Click the Options tab.

Uncheck "Enable domain for Windows logon" (if checked) and click OK twice.

Check the noise on the telephone line.

If the phone line is noisy, call the phone company to check the phone lines.

Reduce your connection speed

Click Start, select Control Panel, Network and Internet Connections, and then click Network Connections.

Click on your dial-up connection and then under Network Tasks, select Change settings for this connection I.

Open the General tab, click your modem in the Connect to field and click Configure.

In the Maximum speed (bps) box, click 9600, and then click OK twice.

Disable hardware flow control

Click Start, select Control Panel, Network and Internet Connections, and then click Network Connections.

Click on your dial-up connection, and then under Network Tasks, select Change settings for this connection.

Open the General tab, click your modem in the Connect to field and click Configure.

Uncheck "Enable hardware flow control" and click OK twice.

Disable modem error checking

Click Start, select Control Panel, Network and Internet Connections, and then click Network Connections.


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Click on your dial-up connection and then underNext to Network Tasks, select Change settings for this connection.

Open the General tab, click your modem in the Connect to field and click Configure.

Uncheck "Enable modem error checking" and click OK twice.

Disable modem compression

Click Start, select Control Panel, Network and Internet Connections, and then click Network Connections.

Click on your dial-up connection, and then under Network Tasks, select Change settings for this connection.

Open the General tab, click your modem in the Connect to field and click Configure.

Uncheck the Enable Compression Modem checkbox and click OK twice.

Disable software compression

Click Start, select Control Panel, Printers and Other Hardware, and then click Phone and Modem Options.

On the Modems tab, clickIt is the modem you want to configure.

Click Properties.

Click the "Advanced" tab.



Click Change Default Settings.

In your data connection settings, click Disabled in the compression list.

Disable LCP extensions

You may have difficulty connecting to your ISP if your ISP's point-to-point protocol (PPP) server does not have a link. Control Protocol (LCP)).

Follow these steps to disable LCP extensions:

Click Start, select Control Panel, Network and Internet Connections, and then click Network Connections.

Click on your dial-up connection, and then under Network Tasks, select Change settings for this connection.

On the Networking tab, click Settings and uncheck the Enable LCP Extensions checkbox.

Disable IP Header Compression

When using IP header compression (also known as Van Jacobson header compression), you may have problems registering with your ISP. or VJ). Follow these steps to disable IP header compression:

Click Start, select Control Panel, Network and Internet Connections, and then click Network Connections.

Click on your dial-up connection, and then under Network Tasks, select Change settings for this connection.

On the Networking tab, click Internet Protocol (TCP / IP), and then click Properties.

Click Advanced and uncheck the Use IP Header Compression checkbox.

Click OK.

Error message "Error 691" when trying to connect to the ISP

Check your username and password

Make sure the CAPS LOCK key was not accidentalo pressed and activated when entering the password.

Click Start, point to Connect To, and then click Remote Connection.

In the Login dialog box, make sure your username and password are correct in the Username and Password fields. the password provided by your ISP.

Check phone number

Make sure you are using the correct phone number to connect to your ISP.

Allow insecure passwords

Click Start, select Control Panel, Network and Internet Connections, and then click Network Connections.

Click on your dial-up connection, and then under Network Tasks, select Change settings for this connection.

Click the Security tab and make sure Normal (Recommended) is selected.

Make sure that in the " Confirm my identity as follows "the" Allow insecure password "checkbox is selected.

Click the Options tab.

Uncheck "Enable domain for Windows logon" (if checked) and click OK twice.

Check the noise on the telephone line.

If the phone line is noisy, call the phone company to check the phone lines.

Reduce your connection speed

Click Start, select Control Panel, Network and Internet Connections, and then click Network Connections.

Click on your dial-up connection, and then under Network Tasks, select Change settings for this connection.

Go to the General tab, click your modem in the Connect To field and then click

 

 

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How do you fix Error 651 The modem has reported an error?

Fixed: Modem (or other connected device) reported an error: error code 651
  1. If this is your first time encountering this problem on your computer, restarting your computer may be sufficient.
  2. Check the connection between the modem and your computer for loose connections.
  3. Turn off the modem.


How do I fix Error 629?

Error 629
  1. Step 1 - Stop and restart. Shutting down and restarting your computer might be all that is needed to resolve this error.
  2. Step 2 - Confirm your password.
  3. Step 3 - Check phone lines.
  4. Step 4 - Check the modem.
  5. Step 5 - Reduce the speed of the modem.


Which has failed the error code returned on failure is 691?

The most common cause of error 691 is an incorrect username or password. Sometimes it can also happen that you are using a public VPN and are trying to connect to a VPN with a domain that is not authorized or not authorized at all, or the required security protocols do not match.


 

 

 

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