Hello, use Registry Editor, go to:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NlaSvc\Parameters\Internet
and modify: EnableActiveProbing
then change "Value data" from "0" to "1"
and restart your computer
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I am running on Windows 10 Enterprise, Version 2004, OS Build 19041.264.
I recently changed to the Windows Insider Program and updated Windows. In the taskbar, the Wi-Fi icon shows No Internet Access, but I have a stable internet connection wirelessly (Ex: I can browse the internet, ping IP Addresses, etc.). Another problem is when I try to open Cortana it also says that I have no internet connection (By the way, I can also open Microsoft's website).
As I know Windows checks internet connectivity with this URL: http://msftconnecttest.com/connecttest.txt. But this gives Error 404, File Not Found. Maybe it is because of this?
If you know the problem or an answer, please help. Thanks!
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The way I solved this :
- Run gpedit.msc
- "Computer Configuration > Administrative Templates > Network > Network Connectivity Status Indicator".
Enable the 'Specify Global DNS' setting, then run gpupdate /force. Note, a reboot is required to clear the existing issue.
YES.
A particular NCSI problem scenario is solved by enabling this policy.
This policy helps in situations where a third party product installs a loopback DNS listener to catch and forward DNS queries on 127.0.0.1. NCSI natively does not handle DNS active probes intercepted and forwarded on the loopback adapter. This policy changes that so it does.
Products like Cisco Umbrella, Zscaler, F5 Big IP install such DNS loopback filters.
This however may not be OP's scenario.
NCSI is a component that has many root causes based on environmental factors that all bubble up to the same user-observed symptoms, i.e. taskbar icon showing no internet when there actually is internet, or various apps like Office/Skype/Teams/third party giving network error. So on the top the issue looks the same to everyone. Underneath the root cause can be very different.
You have it right.
EnableActiveProbing DWORD 1 = active probing ON
And you should always have active probing ON.
Disabling NCSI's ability to detect internet connectivity will break apps like Office suite / Teams / Skype / and various third-party apps that call our NCSI API to determine state of connectivity.
When NCSI returns false positive "No Internet" status (when connectivity truly is intact) it's because it can't get an answer to successful probe. These apps trust the status NCSI returns and will assume it's correct and thus err back to the user that it can't do <network operation>.
When you have an NCSI problem scenario it is necessary to troubleshoot why the active probe to http://www.msftconnecttest.com/connecttest.txt fails, or DNS query to dns.msftncsi.com does not resolve.
This most commonly proxy failures (can't detect proxy when there is one / proxy not forwarding request properly), or basic network routing issues, or DNS resolution issues.
I am having the same issue with the October 2020 update of Windows 10. It's relentless now and every time I reboot my PC I get a false error of "No Internet" and brain dead applications like Spotify, Netflix, and Office trust this garbage even though I actually have Internet.
Activepolling is enabled and the only temporary fix I have is rebooting my router after rebooting my PC which is BS! What are my options to make this work permanently? I already tried to uninstall my ethernet drivers and reinstall my ethernet card and none of this resolved my problem.