Bug fix: You cannot connect to the file share because it’s not secure

  • Microsoft seems to have disabled the SMB1 protocol in Windows 10 v1803 or Spring Creators Update.
  • Windows 10 version 1709 or later has been replaced by SMBv2 and higher.
  • To solve this problem, I had to install and activate this problem using Powershell.
  • If you are connecting Windows 10 to a Windows Server, you can upgrade your Windows Server and resolve the issue.
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Enable Samba Windows 10

A free and open-source software application that implements the SMB/CIFS protocol, Samba provides a simple and easy method of sharing files between Windows and Linux systems.

Having inadequate SMB protocols (i.e., SMBv1 and SMBv2) may prevent you from connecting to the file share, which may also be caused by outdated router firmware or outdated OS on the system.

Upon the release of Windows 10 version 1803 or Spring Creators Update, I decided to install the latest version on my computer. Afterward, I attempted to map the Popcorn Hour VTEN Media Streamer’s network sharing, but Microsoft appears to have disabled SMB1 in this version, so I was unable to do so.

Windows Cannot Access Network Drive

It is possible that your Windows computer is not configured properly for sharing folders or printers, or your folders or printers are not shared correctly. Generally, it’s because of incorrect permission settings and/or an incorrect password for that particular shared network computer’s user account.

Users and applications can connect to printers, mail slots, and named pipes using the SMB protocol, as well as accessing files on remote servers. Client applications can use SMB to open, read, move, create, and update remote server files in a secure and controlled way. SMB protocols can also communicate with server programs that can receive requests from clients.

My network drive could not be mapped due to the following error message:

The SMB1 protocol is insecure, which means that you cannot connect to this file sharing.

As a consequence, I encountered the error while trying to access a share from my Windows 10 machine. It is important to note that Windows 10 Enterprise 1903 does not include the SMBv1 client. However, all editions of Windows 10 can still be updated to include SMBv1.

Navigate to Control Panel -> Programs and features. To turn Windows features on or off, click Turn Windows features on or off.

Because the file share isn’t secure, you can’t connect. You must use SMB2 or higher to connect to this share. SMB1 is obsolete and could potentially expose your system to attack. Here’s how to fix the problem: https://go.microsoft.com/fwlink/?linkid=852747.”

There is an issue connecting to the shared file system because the older SMB1 protocol is insecure and may be vulnerable to malicious attacks.

Using PowerShell, I was able to install and activate the SMB1 protocol on Popcorn Hour since it runs on Linux and has installed the latest update available.


What is the cause of the ‘You cannot connect to the file share because it is not secure’ error

What is the cause of the 'You cannot connect to the file share because it is not secure' error

In Windows 10 version 1709 or later, SMB1 is no longer supported by SMB1. The reason for this error is that SMB1 is not activated on the system. Microsoft has not included SMB1 protocols by default in Windows 10 versions as a precautionary measure since SMB1 is a relatively old protocol that can be used by malicious software. As a result, SMBv2 and higher have replaced SMB1.


Here’s how to solve the “You cannot connect to the file share because it’s not secure” problem

Updated: February 2024

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Windows 10 Smb

After 15 days without using SMBv1 (the SMB 1.0/CIFS Automatic Removal component), Windows 10 1809 removes the SMBv1 client automatically.

Smb1 Protocol

The issue at hand could be the result of an outdated OS on the host/client system or outdated firmware on the router device, as SMBv1 is an ancient protocol and is not well liked by many modern OSes. It is possible to solve the problem by updating both the operating systems of the host and client systems as well as the router firmware.

Here's how to solve the "You cannot connect to the file share because it's not secure" problem

Enable SMBv1 protocol

  1. You can open the Control Panel by pressing Windows + R. Type Control Panel and click Enter.
  2. Click Programs.
  3. You can use the green Enable or Disable Windows Features menu to enable and disable these features.
  4. You may expand the list by clicking the + sign next to SMB 1.0/CIFS File Sharing Support, which is listed alphabetically.
  5. You should select SMB/CIFS client from the drop-down menu.
  6. You can restart the system after saving the settings by clicking OK.

Alternative Solution

  1. Using the services.msc command, you can access the services snap-in.
  2. If they aren’t running, double-click them and click Start. If not, verify that the feature discovery services are running and functioning.
  3. The system should be configured to enable network discovery.
  4. Then, you can ask the manufacturer of the device that disables file sharing due to SMBv1 if they can provide updates that enable file sharing with SMBv2 or SMBv3, if those are available.
  5. The problem can be resolved if you disable SMBv1 on Windows Server and connect Windows 10 to it. Your Windows Server can be upgraded to resolve the issue once all clients connected to it support SMBv2. Once the clients confirm that SMBv2 is supported, the issue will be resolved.


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Frequently Asked Questions

  1. On your computer, open the Control Panel. Click Programs.
  2. Click the Enable or Disable Windows Features link.
  3. Expand the option to support SMB 1.0/CIFS file sharing. Select the SMB 1.0/CIFS client check box.
  4. Click the OK button.
  5. Now restart your computer.

  1. Click and open the search bar in Windows 10, in the search bar type "Windows Features".
  2. Scroll down to SMB/CIFS file sharing support version 1.0.
  3. Select the Net to SMB 1.0/CIFS File Sharing Support checkbox, and all other child boxes will be populated
  4. automatically. Click OK to apply the changes.
  5. Click the Restart Now button to restart your computer.

  1. Press Windows + R to open the Run dialog box and enter: optional features.
  2. Expand "SMB 1.0/CIFS file-sharing support" and check the box next to "SMB 1.0/CIFS client".
  3. Click OK.
  4. Now the installation will continue and you will be able to access shares again using SMB 1.

Server Message Block (SMB) is a network protocol that allows users to communicate with remote computers and servers - to use their resources or share, open, and modify files. It is also called a server/client protocol because the server has a resource that it can share with the client.

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Mark Ginter is a tech blogger with a passion for all things gadgets and gizmos. A self-proclaimed "geek", Mark has been blogging about technology for over 15 years. His blog, techquack.com, covers a wide range of topics including new product releases, industry news, and tips and tricks for getting the most out of your devices. If you're looking for someone who can keep you up-to-date with all the latest tech news and developments, then be sure to follow him over at Microsoft.