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What Is The Error When Reconnecting To The Modem And How To Fix It?

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If the modem does not work, try connecting again. The following tutorial will help you.

 

 

  • 2 minutes to read.
  • This article provides a workaround for an issue where you cannot establish a VPN connection due to a TCP port conflict.

    Original product version: Windows Server 2003
    Original Knowledge Base Number: 885959

    Reasons For “Error 633: The Modem Is Already In Use Or Incorrectly Configured”

    Error 633 can be caused by many reasons. Here are some of the more common ones.

    • Outdated or corrupted system drivers
  • Change the system settings that are usually installed after the upgrade process.
  • Due to the same TCP port that the device is trying to connect to the Internet, it is being used by another application or device, etc.
  • Reset

    Fix-1 TCP / IP-

    Resetting the Transmission Control Protocol / Internet Protocol may resolve the issue on your computer.

    1. Press Windows Key R to start Run and type cmd in the Run window. Then press Ctrl Shift Enter to open a command prompt window withadministrator rights. Click Yes to allow access to User Account Control.

    2. Now copy these commands one by one to the Command Prompt window and press Enter after each command to execute them one by one.

     ipconfig / flushdnsnbtstat - rnetsh int ip reset reset c:  resetlog.txtResetting Netsh Winsock 

    Please wait a moment as some of these commands may take a long time to complete.

    3. Copy these commands one by one to the Command Prompt window and press Enter after each command to run them one after the other.

     ipconfig / releaseipconfig / flushdnsipconfig / update 

    4. When all commands are complete, close the Command Prompt window.

    Restart your computer. After rebooting, the problem with the modem should be resolved.

    Fix-2 Disable And Enable The Network Card-

    Disabling and enabling the network card should fix your problem.

    1. Press Windows Key R to start Run. Then type “devmgmt.msc” and press Enter.

    2. In the Device Manager window, expand Network Adapters, right-click the network adapter you are currently using and select Disable Device.

    an error occurred with the modem try reconnecting

    3. Click “Yes” to disable the adapter. After turning off the hell You will see a down arrow next to it. The adapter is disabled.

    4. Now, in the Device Manager window, right-click the disabled adapter on your computer, and then click “Activate Device” to reactivate the network adapter on your computer.

    Wait for the device to wake up from sleep mode.

    Now try connecting to a broadband connection. If the problem persists, try the next update to update your network adapter.

    Fix-3 Update Driver For WiFi Network

    1. Press Windows Key R to open the Run command. Now enter “devmgmt.msc” and press Enter. The Device Manager Utility will opendevice.

    2. In the Device Manager window, find “Network adapters” in the list and click to expand it. Now select the driver you are using from the dropdown list. Right-click it and choose Update Driver Software.

    3. You will be asked: “How do you find drivers?” Select the option “Automatically check for driver updates”.

    Wait while Windows finds, downloads, and installs a compatible driverer for your network driver. Close the Device Manager window. Then restart your computer.

    After restarting, check if the problem is still there

    Fix-4 Change Network Properties –

    1. Press Windows Key R to launch Run, type “ncpa.cpl” and press Enter. The “Network Connections” window will open.

    2. Now double-click the “Ethernet” connection to open its properties.

    3. In the Ethernet Properties window, go to the Networking tab. Activate the “Internet Protocol Version 4 (TCP / IPv4)” option. In the same window, disable the option “Internet Protocol Version 6 (TCP / IPv6)”. When you’re done, click OK to save your changes.

    Close the “Network Connections” window.

    Restart your computer. After restarting, make sure you can connect to broadband without any problems.

    Fix-5 Network Troubleshooting –

    1. Type “network troubleshooter” in the search box next to the Windows icon, then click “Troubleshoot n”.

     

     

    How do I fix Error 633 The modem is already in use?

    Fixing: Error 633 A modem (or other connecting device) is already in progress …Solution 1. Install all unnecessary programs for Internet devices.Solution 2: Disable your network connection and then enable it again.Solution 3. Update the drivers for the network card.Solution 4. Remove (and reinstall) your network card.Solution 5. Explicitly reserve the TCP port that your internet device is using.More Articles … • June 24, 2018

    Can’t connect to VPN The modem is already in use?

    This issue can occur if the TCP port used by the VPN connection is already in use by another program. The VPN connection uses TCP port 1723 to establish the connection. If another program is already using this port, you will not be able to establish a VPN connection. October 9, 2020

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

    How to fix error 651 on my computerRestart your computer and modem.Update your network card driver.Troubleshoot settings in the Network and Sharing Center.Reset TCP / IP on Windows.Disable automatic optimization.