For Windows 7, select Control Panel > System and Security > Windows Firewall > Advanced Settings. Then, you should give permission to this port number on Windows Firewall. On "Registry Editor" select HKEY_LOCAL_MACHINE \ System \ CurrentControlSet \ Control \ TerminalServer \ WinStations \ RDP-Tcp and change the "PortNumber" with any unused port number between 105. In order to connect to your computer at METU from outside the campus using remote desktop connection, you should change the remote desktop port number for both of the computers. Port 3389 keeps closed two-way (campus in and out) because of security reasons. Some security measures has been taken about the port 3389 which is used for remote desktop connection to METU campus. The problem should be fixed.If you are having trouble setting up a remote desktop connection, it may be possible for two reasons.Ī) The port number used for the connection should be changedī) There is a problem with the remote desktop connection settings or the username Step 3: Close the command prompt and restart the PC to save the changes. Netsh firewall set opmode mode=ENABLE exceptions=enable Step 2: In the administrative command prompt, type the following commands and press Enter. Step 1: Open Command Prompt as Administrator in Windows 10. Way 5: Forcibly Enable Windows Firewall using Command Prompt And see if you are able to fix Unable to Activate Windows Defender Firewall issue. Step 6: Click Yes to confirm the changes. Step 5: Click the Restore defaults button again. Step 4: Click the Restore defaults link from the left side of the window. Step 3: Click on Windows Defender Firewall link. Step 2: In the Control Panel window, select System and Security option. Step 1: Launch Control Panel in Windows 10. Way 4: Reset Windows Defender Firewall Settings And check whether the Unable to Activate Windows Defender Firewall issue fixes or not. Step 3: Be sure that the Startup type is set to Automatic. Step 2: Look for and double-click Windows Defender Firewall in the service.msc window. Step 1: Open Services snap-in window in Windows 10. Way 3: Restart Windows Defender Firewall Service You should be able to fix the problem of not being able to activate Windows Defender Firewall. Step 3: Set the value as 2 in the Value data field and click OK button.Ĭlose the registry editor and restart the PC. Step 2: Select WinDefend and double-click Start DWORD. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WinDefend Step 1: Go to Registry Editor window and locate to the following registry key: Way 2: Change the Value data of Windows Defender It is noticed that this method is suitable for most users, because this method is from Microsoft’s official BBS, so you can look forward to repairing the Unable to Activate Windows Defender Firewall error. Step 5: Select Everyone under Group or user names and check the Full Control option under Permissions for Everyone. Step 4: In the Select Users or Groups, type Everyone and click OK button. Step 3: This will open Permissions for BFE dialog, click Add button. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\BFEĪfter navigating to the BFE option, right-click on BFE and choose Permissions… option from the context menu. Step 2: In the Registry Editor, browse to the path listed here: Step 1: Access Registry Editor in Windows 10. Way 5: Forcibly Enable Windows Firewall using Command Prompt. Way 4: Reset Windows Defender Firewall Settings.Way 3: Restart Windows Defender Firewall Service.Way 2: Change the Value data of Windows Defender. Fortunately, there are 5 simple but effective ways to help you fix Unable to Activate Windows Defender Firewall issue as soon as possible on your Windows 10 system. If you don’t get your Windows Defender Firewall activated right away on your system, this will prevent it from keeping your operating system protected online. That is they are unable to activate Windows Defender Firewall. Therefore, it is recommended to have it turned on constantly.īut it has recently been reported that many Windows 10 users are having trouble activating the Windows firewall. If you don’t keep it running, that means your computer could potentially be in danger every time you connect to the Internet or other networks. One of the most important built-in features of Windows 10 is the Windows Defender Firewall, which is designed to help prevent hackers or malicious software from gaining access to your PC through the Internet or a network.
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