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The Windows 10 connection error seems to be affecting employees using VPN connections, and Microsoft released a fix in early April. At this point in the story, this is of particular concern as an unusually large number of workers are working from home. Employees are now relying on productivity and connectivity applications for Outlook for email, Office 365 web collaboration tools and Microsoft Teams when quarantined to prevent the spread of COVID-19 around the world.
Error occurred today with the cumulative update KB4535996 from February 27, 2020. This update (building the OS 1903 18362.693 and building the OS 1909 18363.693), so to speak, was a challenge. Applications Outlook, Office 356 and Microsoft Teams can not connect to the Internet for a large number of employees.
Devices that use a manually or automatically configured proxy, especially with a virtual private network (VPN), can show a limited Internet connection status or its absence in the network connection status indicator (NCSI) in the area. “” This can happen when a connection to a VPN is established or disconnected, or when the state between them changes. “
How to fix the ‘No Internet access’ bug on Office 365
The problem seems to be related to an error that does not allow the Network Connection Status Indicator (NCSI) to correctly determine if a vulnerable Windows 10 is connected to the Internet. According to Microsoft support websites and user reports, several versions of Windows have been vulnerable for many years (1, 2, 3, 4).
In Windows 10, the NCSI periodically connects to http://www.msftconnecttest.com/connecttest.txt to ensure that the content returned is a “Microsoft Connect Test” string.
If the returned line meets your expectations, NCSI asks your operating system to display “Connected” or “No Internet access” if it is not.
Although Microsoft does not provide an official solution to this known problem, one way to ensure that the Microsoft Network Connection Status Indicator (NCSI) correctly detects Internet access is to use the editor. registry to activate NCSI Active Probing according to several user reports.
To do this, you need to follow these steps:
- open the registry editor.
- Go to HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Services \ NlaSvc \ Parameters \ Internet.
- change the value of the EnableActiveProbing registry parameter from “0” to “1”.
- Reboot the computer.
Reboot the computer
In some cases, a problem with Outlook connection occurs due to software conflicts. If there are several programs running on your computer, it is very likely that one of your applications conflicts with Outlook and fails.
Reboot your computer to clear the current state of the software and clear the memory. Then reopen Outlook to check your problem.
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If the problem does not disappear after restarting, follow the steps below.
Disable third-party VPN
Another way to fix this is to disable third-party VPN. In fact, MS Office may not be able to connect if you are connected to the Internet through a third-party VPN. These problems are common and common for third party VPNs. Therefore, to solve your problem, you need to disable VPN and then try to open MS Office. After turning off the VPN, make sure that you have an active connection. Otherwise, the problem will not disappear.
If this solves your problem, you can put MS Office applications in the white list of your VPN. Once you do this, you can try to check if the problem is solved even with VPN enabled.
Reinstall Office 365
If none of the above fixes helped, reinstalling Office 365 is likely to be the solution for you. Here’s how it’s done:
1) Press the key with the Windows logo on your keyboard and type the commands. Then click Control Panel.
2) Click “Category” in the “View by” section. Then click Delete program.
3) Right-click on Microsoft Office 365 and select Delete.
4) Go to the official website of Office 365 and click “Sign in” to log in to your account.
5) Click Install Office, then click Office 365 Applications to download Office 365.
6) Open the downloaded file and follow the on-screen instructions to reinstall Office 365.
I hope one of the above fixes has helped you solve your problem. Please leave a comment below if you have any questions or suggestions.
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