Home News Need To Get Rid Of Internet Error 633 Problems

Need To Get Rid Of Internet Error 633 Problems

25
0

 

Error 633: The modem (or other connecting device) is already in use or incorrectly configured. This error can occur if the communications (COM) port used by the modem is reserved by other software, or if there are multiple connections to the Internet.

 

 

  • 2 minutes to read.
  • internet error 633

    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: 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    • Outdated or corrupted system drivers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, the device is trying to connect to the Internet that is being used by another application or device, etc.
  • Solution 1: Install Any Unnecessary Programs For Internet Devices

    Many Internet modems or other Internet devices come with software that must be installed on your computer. If you have any such software installed on your computerAnything or apps (other than those required for the internet modem or device you are currently using), you need to uninstall them. Simple:

    1. Open the start menu.
    2. Search for “Add or Remove Programs”.
    3. Click the search result titled Add or Remove Programs.
    4. Find the programs you want and right-click them one by one, select “Uninstall” and run the uninstall wizard to complete the uninstallation.

    Then restart your computer and see if the problem is resolved.

    Solution 2: Deactivate The Network Connection And Reactivate It

    1. Right-click the network icon in the notification area of ​​your computer and select “Open Network and Sharing Center” from the context menu that appears.
    2. On the left side of the Network and Sharing Center, click Change adapter settings.
    3. Find the connection you are trying to connect to the Internet, right-click it and select Disconnect.
    4. After disconnecting the connection, wait a few minutesut. Then right-click it and select Activate.
    5. Wait for the connection to be activated. After enabling the connection, try accessing the Internet and see if it can do so successfully.

    Solution 3: Update The Network Card Drivers

    1. Press Windows logo key R to open scan.
    2. Type devmgmt.msc in the Run dialog box and press Enter to launch Device Manager.
    3. In Device Manager, double-click the Network Adapters section to expand it.
    4. Find the network adapter that your computer is currently using under Network Adapters, right-click it and select Update Driver Software …
    5. Click Automaticand check for updated drivers “and wait while Windows searches.

    If your computer detects updated drivers for your network card, they will be downloaded and installed automatically. After that, you can try to access the internet and see if the problem is resolved.

    Solution 4: Remove (and Reinstall) The Network Adapter

    1. Press Windows logo key R to open scan.
    2. Type devmgmt.msc in the Run dialog box and press Enter to launch Device Manager.
    3. In Device Manager, double-click the Network Adapters section to expand it.
    4. Find the network adapter that your computer is currently using under Network Adapters, right-click it and select Uninstall.
    5. Enable the option Uninstall driver software for this device by checking the box next to it and then clicking OK.
    6. Wait until the network card is completely removed.
    7. After removing the network card, click Action> Check for ChangesEquipment “. When you do, Windows will automatically reinstall the network adapter and its drivers.
    8. After reinstalling the network card and its drivers, restart your computer and see if the problem persists after booting.

    Solution 5: Explicitly Reserve The TCP Port Your Internet Device Is Using

    If this issue occurs because the TCP port that your Internet device is trying to use to connect to the Internet is being used by another device or program, you can simply reserve a specific TCP port for your Internet device – permanently … the rest of the use. For this you need:

    1. Press Windows logo key R to open scan.
    2. Type regedit in the Run dialog box and press Enter to launch Registry Editor.
    3. In the left pane of Registry Editor, navigate to the following directory:

    HKEY_LOCAL_MACHINE> SYSTEM> CurrentControlSet> services> Tcpip

    1. In the left pane of Registry Editor, click the Options subkey under the Tcpip registry key to view its contents on the right panel.
    2. In the right pane of Registry Editor, right-click an empty space, point to New, and select Multiple Row Value.
    3. Name the newly created multiline value “ReservedPorts” (without quotes) and press Enter.
    4. Double click the ReservedPorts value to change it.
    5. Change the value in the Value field to 1723-1723 and click OK.
    6. Close Registry Editor and restart your computer.

    After starting your computer, check if the update worked.

    Solution 6: Determine Which Process Is Using The Correct TCP Port And Remove It

    1. Open the start menu.
    2. Enter the query “cmd”.
    3. Right click on the search resulttitled cmd and select “Run as administrator” to launch an elevated administrative command prompt.
    4. Type netstat – aon at an elevated command prompt and press Enter. If the results are great, type netstat -an> C: nets.txt and press ENTER. Then open the nets.txt file in the C: folder to view the data.
    5. View the output that appears after executing the command and determine the process ID (PID) for the program that uses TCP port 1723. If you cannot find such a program, this solution will not work ™ will not work for you , just try another one.
    6. At an elevated command prompt, type the following, replacing the PID with the process ID of the program that is using TCP port 1723 on your computer, and press Enter:

    Taskkill / PID PID / F

    1. Once the command has been executed, the faulty program is forced to close and TCP port 1723 is released. At this point, close an elevated command prompt and restart your computer.

    There is a problem with starting the computer The program should use a TCP port other than 1723, leave TCP port 1723 open for your Internet device, and effectively solve the problem for you and restore your Internet access.

    Solution 7: Perform A System Restore

    If all else fails, you have a last resort: Perform a System Restore while your PC is not experiencing this problem. To do this, you will need a system restore point that was created before your computer fell victim to this problem. However, if you have this, you must be gold. You should also note that performing a System Restore will automatically remove any programs / updates you installed or any data that you subsequently saved on your computer.

     

     

    Can’t connect to broadband connection the modem has reported an error?

    Check the connection between the modem and your computer for loose connections. … plug the modem into a power outlet and connect the computer to the modem. Now turn on the modem. Now check if the error persists. January 6, 2020

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