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An Easy Way To Troubleshoot Opening Windows Firewall With Advanced Security Snap-in For Issues With Code 0x6d9

Today’s guide was written to help you if you get an error message when opening Windows Firewall with Advanced Security Snap with error 0x6d9.

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    What is error 0x6d9 when porting Windows? Users facing the exact error 6d9 reported that their Windows firewall was inadvertently disabled while many were installing their security software. Of course, the first solution to this problem is to uninstall the new antivirus / antivirus software.

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    Anand Hanse is the administrator of TheWindowsClub, Microsoft’s most useful site (2006–16) and the MVP of the Windows Insider Program. Please read this entire article and comments first, create a system restore point before making any changes to your awesome system, and be careful about individual third party suggestions when installing freeware.

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    NekoSome users reported that immediately after installing some security software, they could not access the Internet and Windows Firewall gave a fantastic error. In such a situation, this dedicated Windows Firewall will be disabled, relocated, and the system will assign a different APIPA IP address. Error message:

    error opening windows firewall with advanced security snap in 0x6d9

    An error occurred while opening the Windows Advanced Security Firewall snap-in. Failed to configure the Windows with Advanced Security Software snap-in. Restart the Windows Firewall service on the monitored computer, error 0x6D9.

    How do you open the Windows Firewall with Advanced Security MMC snap-in?

    To launch this snap-in, do one of the following: From the Start menu, select Control Panel, System and Security, Windows Firewall, Advanced Options. Type fire in the Start Collage Search box, then navigate to Windows Firewall with Advanced Security under Current Programs.

    When protecting such an error message, the first step, of course, should be to uninstall the security software. However, this alone will not repair the damage, so you may need one of the following solutions:

    After removing some security software, perform a system restore and see if it solves the problem for your business.

    If System Restore does not allow thiswow, check the status of these three Windows services:

    1. Windows Firewall
    2. Base Engine Cleanup (BFE)
    3. Windows Firewall Authorization Driver (MPSDRV)

    Press Win + R to open the Run window and sort the command services, and press msc to open the service manager, make sure these three services are running.


    Resetting Windows Firewall to its default settings will probably fix the problem. You can also do this through your control panel using the built-in Netsh utility or our free FixWin software.

    Alternatively, you can run the following commands one after the other in elevated cmd. You start the And services and register the firewall DLL file again.

     Reset Netsh 


    How do you fix there was an error opening Windows Firewall with Advanced Security snap-in?

    1] Perform a system restore.2] Check the status of one of these Windows services.3] Reset Windows Firewall.6] Reset some permissions for Microsoft Protection Service.

     net advfirewall with mpsdrv 
     clean start mpssvc 

     net start bfe 

    error opening windows firewall with advanced security snap in 0x6d9

    You can simply start Windows Firewall and check the troubleshooter to make sure it is running on your behalf.

    The error mentioned in the previous method occurs when MpsSvc or Microsoft Protection Service lacks permissions onat the new registry level. The following keys and read / write access are required:

     HKEY_LOCAL_MACHINE  SYSTEM  CurrentControlSet  Services  SharedAccess  Epoch 
     HKEY_LOCAL_MACHINE  SYSTEM  CurrentControlSet  Services  SharedAccess  Defaults  FirewallPolicy 
     HKEY_LOCAL_MACHINE  SYSTEM  CurrentControlSet  Services  SharedAccess  Parameters  FirewallPolicy 
    1. Open Registry Editor, navigate to the specified laptop or computer keys, and search for “Enter object names in the selection box.”
    2. Enter NT in use. mpssvc “. Then” Check the title of the click, “then click OK.
    3. Add the appropriate permissions that are usually mentioned for the account.

    Internet access is a must in our daily life. Windows Firewall was introduced to control incoming and outgoing requests from your computer system. Firewall software that is updated with Microsoft tends to improve significantly with every major update. Some companies want to turn off Windows Defender Firewall because in most cases they can block certain requests that prevent us all from doing whatwhat we wanted when you need it. Sometimes, when you try to switch to Windows Defender Firewall, you receive the current error code 0x6d9 with the message “An error occurred while opening the entire Windows Firewall with the Advanced Security Component snap-in.” 130663 “>

    Windows Firewall error code 0x6d9

    This error message is often displayed when the entire Windows Firewall service is not running and / or when one of the required Windows Firewall services is not being used, such as BFE. This is also related to other notable considerations, which we will discuss below. So, let’s begin.

    What Causes Windows Defender Firewall Error Code 0x6d9?

    How do I fix Windows Firewall error code 0x6d9?

    Open the start menu at the top, type cmd, right-click the first result and invoke Run as administrator.Then enter the following commands one by one:netsh advfirewall reset net start mpsdrv netting start mpssvc net start bfe regsvr32 Firewallapi.dll reset Windows firewall.

    The error message that your problem is that deprecated services are not They work. However, it is not. Thus, it can serve the following purposes –

    Now that you know the causal factors underlying the problem, let’s create some solutions that can be applied to solve the problem. Please try to implement all the related solutions as some of me may say the mentioned solutions may not work for you.

    Solution 1: Run Windows Defender Troubleshooter

    The first thing to do if you encounter the above error is to complete the Windows Defender troubleshooting exercise. The troubleshooter will check for firewall problems and try to fix them. Here’s how it works:

    1. First of all, download this patch for Windows Defender Firewall from here.
    2. When the download is complete, run the downloaded file. Aria-described by = “caption-attachment -130666″>
      Troubleshoot Windows Firewall
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    3. Review the requests and let it finish.
    4. See if that solves the problem.

    Solution 2: Check The Required Services

    How do I fix Firewall not opening?

    Open the control panel.Click System and Security.Click Windows Firewall.In the general left pane, click the Recover defaults link.Click the Restore Default Settings button.Click Yes to confirm.

    Another reason Windows Defender Firewall might not start is that the service required to start the firewall has not started. The primary organization is the Windows Firewall service, which depends on several services that may be required. You need to check if this kind of service is running or not. Here’s how it works:

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