"Invalid product key or license mismatch. Now I am trying to add the other KMS keys from earlier version products such as Windows 7, Windows 8, Office 2010 but eack one results in the same error message: I was initially unable to add the Office 2013 KMS key but after installing the Microsoft Office 2013 Volume License Pack ( ) I was able to add the key. I was able to successfully add my Windows Server 2012 R2 KMS Key from Microsoft Volume License Website Step 2: In Command Prompt, input the following commands one by one and press Enter after each:Īfter that, you can exit Command Prompt and restart your computer to check whether your wireless network works properly.I just installed a Windows 2012 R2 KMS Server using the Volume Activation Feature. Then type cmd in the search box, right-click Command Prompt from the search results, and select Run as administrator.
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Step 1: Press Win + S to open the Windows Search utility. You can also try it to fix the network security key mismatch error, and here is the tutorial. Solution 5: Refresh IP SettingsĪ common way to solve network issues is to refresh IP settings. If it doesn’t, you should open Device Manager, click Action > Scan for hardware changes to search for the driver manually. Step 4: Restart your PC and then the latest network driver will be installed automatically. In the pop-up window, click Uninstall to confirm the operation. Step 3: Right-click your wireless network adapter and select Uninstall device. Step 2: In Device Manager, double-click the Network adapters to expand the category. Step 1: Right-click the Start button and then select Device Manager. To get the latest driver software, you can visit the official website of your manufacturer or reinstall the driver with the following steps. If you haven’t updated your network driver for a long time, you should check whether there are available updates. Read More Solution 4: Reinstall the Network DriverĪn outdated or corrupted network driver could also lead to the network security key mismatch error. If you still can’t connect to your wireless network, please move on to the next solution. If you are running any third-party antivirus programs while encountering the network security key mismatch error on Windows 11/10, you can try to disable the program temporarily to solve the problem, because antivirus programs might interfere with network connection sometimes. Solution 3: Disable Your Third-Party Antivirus Temporarily In the pop-up box, type the network security key and click Next to connect to the target network. Step 3: Scroll down to find the target network and then click Connect. Step 2: Right-click the wireless network that you plan to connect and select Forget. Step 1: Click the Wi-Fi icon on the taskbar to view the available wireless network connections. If the network security key mismatch error still exists after you restart the router, you can try forgetting the wireless network and then reconnecting your computer to it with the security key. Solution 2: Reconnect to the Wireless Network Then check whether the error message disappears.
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When you are unable to connect to network, try restarting your computer as well as the router or modem. Sometimes a simple restart can solve the problem you encounter on your PC. If you are bothered by the same problem, you can try them one by one to solve it. Fortunately, there are some possible solutions. This error could happen on Windows 10 and Windows 11, and the reasons for it could be various. However, some of them reported that they failed to connect to their Wi-Fi network due to the error message “possible network security key mismatch”. Nowadays, more and more users prefer a wireless connection to the wired network. Solution 4: Reinstall the Network DriverĪ network connection is quite important for computer usage.Solution 3: Disable Your Third-Party Antivirus Temporarily.Solution 2: Reconnect to the Wireless Network.To solve the problem, MiniTool Partition Wizard puts together some possible solutions. The network security key mismatch error is a problem that you might encounter when you try to connect to a wireless network.