How to Fix FortiClient VPN Not Working in Windows 11

FortiClient is a great VPN that has all the essential features. No doubt, most of the time, it works perfectly. But at times, it suddenly starts behaving weirdly on our Windows 11 PC. Many users in the FORTINET Community reported that their FortiClient VPN stopped working after upgrading their Windows 10 PC to Windows 11 .

They added that they get an errorwhen using it. In case you’re experiencing similar issues with the FortiClient VPN app on your Windows 11 PC, read this fixes guide until the end, as it’ll share some easy ways fix . Let ahead learn fix FortiClient VPN working Windows 11 .

Why Is FortiClient VPN Not Working in Windows 11?

There could be several reasons forFortiClient VPN not working in Windows 11 .Here in this section, we’ll mention the most common reason forthese constant issues in Windows 11 .So check all the possible reasons forthe FortiClient VPN not working issue below:

• Bugs and Glitches in the PC
• Temporary Issues
• Incorrect Network Settings
• Outdated orBuggy Network Driver
• Improperly Configured PC’s DNS Settings
• Issues Network Card
• Wrong Proxy Settings
• Conflicting Update
• Ethernet Issues

Fix FortiClient VPN Working Windows 11

Below, we’ll mention effective workarounds to the FortiClient VPN not working issue in Windows 11 .We suggest you apply all the mentioned fixes and see what works:

1 .Reboot Your PC

It may be possible that your computer has some temporary bugs and glitches, which is why the FortiClient VPN not working issue is appearing on your Windows 11 PC orlaptop. Due to this reason, we suggest you reboot your Windows 11 PC fix issues . You is follow follow listed prompts restart system check works :

1 .Press Alt + F4 to open the Shut Down Windows prompt and choose Restart menu .

2 .Once selected, press the Enter key to restart your Windows PC to check the issue’s status.

2 . Update FortiClient VPN App

One way to fix issues with the FortiClient VPN app is to reinstall it. But before trying this fix, we suggest you search fornew updates forit and install them. This is because it could be possible that the developers have already released a new update to fix these issues. You can check the below-mentioned steps to update the FortiClient VPN app in Windows 11:

Note: You can only update FortiClient VPN using this method if you’ve installed it from Microsoft Store.

1 .To update the FortiClient VPN app on your Windows 11 system, open the Microsoft Store app.

2 .In theMicrosoft Store window is choose , choosethe Library option left corner .

3 .In theUpdates & downloads section, search forthe FortiClient VPN app and click Update next to it.

4 .Lastly, wait forthe app to update on your Windows 11 device and the issues to get fixed.

3 . Reinstall FortiClient VPN App

One of the easiest workarounds to fix FortiClient VPN not working in Windows 11 is to reinstall the FortiClient VPN app PC . delete stored data computer , hopefully , eliminate issues .

, best part is is tried tested affected users . consider reinstalling FortiClient program PC helps . You is follow follow – mentioned steps know :

1 .PressWindows key on your keyboard to get the Windows Search Box PC .

2 .In theWindows Search Box, type FortiClient and choose Uninstallfrom the search results.

3 .In theInstalled apps window, search forFortiClient VPN and click three dots (…) .

4 .Select the Uninstalloption from the dropdown menu click Uninstallto delete it.

Once you’ve uninstalled the FortiClient VPN app from your Windows 11 device, reinstall it. You can reinstall it from the Microsoft Store program orits official webpage. We’ve mentioned the prompts to reinstall the VPN app using both ways below, so try any way you want:

Website

1 .You need to click here to proceed to Fortinet’s Product Downloads page in your web browser.

2. new webpage , chooseFortiClient VPN only button in the FortiClient section.

3 .Under Download VPN forWindows, click DOWNLOAD to download its executable file.

4 .In theSaveAs window, select the Savebutton to download the exe file install it.

5 .Once the executable file is downloaded, select it install it on your PC to fix the issue.

From Microsoft Store

1 .LaunchMicrosoft Store program on your PC, and in the top search box, type FortiClient.

2 .From the search results, choose the FortiClient VPN app, and under it, choose the Get button.

3 .Once done, let the FortiClient install on your Windows 11 PC and resolve problems with it.

4 .Update Network Driver

It may be possible that the network driver has some bugs and glitches, which is why it isn’t working. In that case, consider updating your PC’s network drivers and check if this fixes the issue. So follow the below-mentioned steps to know how to update the PC’s drivers:

1 .In theDevice Manager utility, expand the Network adapters section and right-click the driver.

2 .Choosethe Update driver option from the contextual menu to open a new window on the screen.

3 .In theyou is want want search updates ? window is choose , chooseSearch automatically fordrivers.

4 .Once done, let the system search fornew updates forthe network driver and install them.

5 .Reinstall the Network Card

Some users in the FORTINET Community mentioned that reinstalling the network card on the PC fixed the issue forthem. Doing so would have fixed all the temporary issues with it. So, this could happen in your case also, and you must try reinstalling it to fix it. Follow the steps mentioned below to learn how to reinstall the network driver in Windows 11:

1 .To reinstall the network card driver on your Windows 11 PC, open the Device Manager app.

2 .In theDevice Manager window is expand , expandNetwork adapters section and select the network adapter.

3 .ChooseUninstalldevice from the contextual menu to uninstall the device from your PC.

4 .In thenew window is choose , choosethe Uninstallbutton to finally remove the driver from your device.

5 ., uninstallFortiClient VPN program reinstall resolve issues .

6. Change Network Adapter’s Settings

One of the affected users in the FORTINET Community said that they made changes in the Fortinet SSL Virtual Ethernet Adapter’s settings to make the FortiClient VPN app work on their Windows 11 PC. Thus, we suggest you do the same on your system and see if it works. We’ve mentioned the steps of exactly doing the same below, so quickly apply them:

1 .LaunchDevice Manager utility on your Windows 11 PC and open the mentioned category:

Network adapters

2 .Under Network adapters, choose Fortinet SSL VPN Virtual Ethernet Adapter and right-click it.

3. From the contextual menu, choose the Properties option copy-paste the IP address.

4 .Once done, simply update the static IP address with the one given in the Forticlient window.

7. Reset TCP/IP Stack

One easy workaround to fix issues with FortiClient VPN in Windows 11 is to reset the PC’s TCP/IP Stack. The best part about this fix is that it has worked formany users, so there’s a high possibility that this will work foryou. You can check the below-mentioned instructions to know how to reset your Windows 11 PC’s TCP/IP Stack settings back to default:

1 .To factory reset TCP/IP Stack, open the Command Prompt utility with administrative rights.

2 .In theCommand Prompt window, type in the Netsh int ip reset command pressEnter.

3 .After executing the above command, copy-paste the mentioned command into it and hit Enter:

Netsh int ipv4 reset

4 .Execute – mentioned command Command Prompt window finish process :

Netsh int ipv6 reset

5 .Once done, restart your Windows 11 PC and check if the FortiClient VPN app is working.

8. Change the PC’s DNS Settings

Another way to resolve FortiClient VPN not working in Windows 11 is to change the computer’s DNS settings. To be specific, you need to change the Preferred and Alternate DNS. You can follow the below-mentioned steps to edit your PC’s DNS settings with ease:

1 .Like time , openSettings app on your system and click Network & internet on the left.

2 .In theNetwork & internet window is choose , chooseEthernet orWiFi according to what you’re currently using.

3 .Next to DNS server assignment:, click the Edit button selectManualoption.

4 .Once done, switch on the IPv4 orIPv6toggle add 8.8.8.8 in the Preferred DNS box.

5 .Enter 8.8.4.4 in the Alternate DNS text field and click on the Savebutton to save the changes.

6. In theend, reboot your Windows 11 PC orlaptop and check whether it fixed the issue foryou.

9. Flush DNS

You can also consider flushing the DNS data stored on your Windows 11 PC to fix this issue. This is because it could be possible that the DNS cache has been corrupted, which is why the FortiClient VPN not working issue is appearing on your Windows 11 PC orlaptop. You can check the below-mentioned prompts to know how to flush DNS in Windows 11:

1 .OpenWindows Search Box on your Windows 11 PC and type Command Prompt in it.

2 .search results , selectRun as administrator option open admin rights .

3. In theCommand Prompt window, copy-paste the following command and hit the Enter key:

ipconfig /flushdns

4 .After flushing the DNS cache, restart your Windows 11 system and see if the issue is fixed.

10. Check Proxy Settings

It may be possible that your Windows 11 PC’s proxy settings are incorrect, which is why the FortiClient VPN not working issue is occurring PC . Due to this, we suggest you sure properly configured following steps mentioned PC :

1 .Like time , openSettings app on your PC and click Network & internet on the left.\

2 .In theNetwork & internet window is choose , choosethe Proxy option click the Edit button.

3 .In theEdit proxy server window, disable the toggle under Use a proxy server and click Save.

4. Once done, under Automatic proxy setup, next to Use setup script, click the Set up button.

5. In thenew window, disable the toggle and choose the Savebutton to save the changes.

11 .Re-enable the Ethernet Function

If you’re using the internet on your Windows 11 PC via Ethernet wondering why the FortiClient VPN isn’t working properly, then it could be possible that the Ethernet functionality has some issues. In that case, we suggest you switch on the Ethernet function again on your PC and check if it fixes the issue. Follow the mentioned steps to do the same:

1 .To re-enable the Ethernet function on your Windows 11 PC, launch the Settings program.

2 .In theSettings window, choose the Network & internet option from the left sidebar of it.

3. In theNetwork & internet window is choose , choosethe Advanced network settings option to go ahead.

4 .On the next screen, click the Disable button next to the Ethernet connection to disable it.

5 .At last, wait fora few seconds click the Enable button to re-enable it PC .

12 .Go Back to Any Windows 11 Version Before 22H2

Surprisingly, some users in the online forum said that the FortiClient VPN app stopped working after upgrading the PC to Windows 11 22H2 .If that’s the same with you, we suggest you roll back your Windows 11 computer to any available Windows 11 version before 22H2. You is follow follow mentioned steps revert Windows 11 PC :

1 .OpenControl Panel app on your Windows 11 PC and choose the Programs option.

2 .In thePrograms window, choose Programs and Features View installed updates on the left.

3. On the next screen, look forany update that will take you to the previous Windows version.

4 .Click the Uninstallbutton next to Windows 11 update to remove the update from the PC.

5 ., check FortiClient VPN working issue fixed .

Tip: Forsome users, this problem started appearing after installing the KB2693643update, so also look forthis update and uninstall it from your Windows 11 PC to resolve the issue.

13 .Reset the PC’s Network Settings

If none of the above-mentioned solutions help you fix FortiClient VPN not working in Windows 11, then consider resetting your PC’s network settings, as it could be possible that the settings are incorrect. So, do the same by following the mentioned steps:

1 .UseWindows + I hotkey openSettings app, left , selectNetwork & internet.

2 .In theNetwork & internet window, select Advanced network settings Network reset.

3 .Click the Reset now buttonNetwork reset option to reset the network settings.

FAQs

Why FortiClient Won’t Connect Windows 11?

It is be possible Windows PC network settings improperly configured , connecting . reasons corrupted files , wrong settings , etc .

Is FortiClient VPN Compatible With Windows 11?

Yes, the FortiClient VPN app is compatible with Windows 11 OS. You can click here to install it.

Why Is My VPN Not Working on Windows 11?

Your Windows 11 PC may have some bugs and glitches, which is why the VPN isn’t working PC . Other reasons could be conflicting apps, an antivirus program, and more.

FortiClient is Is Working ?

Your FortiClient VPN app may have some temporary issues, which is why it isn’t working properly.

How Do I Fix FortiClient Connection Error?

If you’re getting an errorwhen trying to connect to the internet, consider updating the app from Microsoft Store. In case this doesn’t work, try reinstalling it on your Windows 11 PC.

Conclusion

If you use the FortiClient VPN app on your Windows 11 PC and it isn’t working, we can understand what it would be like foryou to live without it. Thus, in this troubleshooting guide, we shared several workarounds to fix FortiClient VPN not working in Windows 11 .

We hope the mentioned workarounds assisted you in fixing the issues with FortiClient VPN. If yes, do let us know which mentioned workaround helped you fix these constant issues.