How to fix 'Parameter is incorrect 87' issue on Windows?

  • Updated

The Parameter is incorrect 87 error shows up when there is a problem with the Windows networking stack as a whole. In this article we will go through the troubleshooting steps you can take to resolve this issue.


To resolve the Parameter error on a Windows device, please try following these steps:

  1.  Run “Windows Powershell” as an administrator.

  2. Copy and paste the following command into the PowerShell window, then press Enter:
    netsh int ip reset netsh int ipv6 reset netsh winsock reset

  3. Restart your computer.

  4. Open Windows “Device Manager”.

  5. Expand the “Network Adapters” node.

  6. Locate the WAN Miniport (IKEv2) item and right-click on it.

  7. Select Uninstall device from the drop-down list.


  8. Repeat steps 6-8 with all other WAN Miniport (..) items.

  9. Click Action from the menu bar, and select Scan for hardware changes.


  10. All deleted WAN Miniport devices should come back.

  11. Restart your computer and try to connect to Atlas VPN.

In case these steps are not helpful, do not hesitate to drop us an email at! Premium customers can also reach us via live chat by logging into the Atlas VPN account here.


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