December 2, 2022

How to access files on network devices using SMBv1 in Windows 10


Server Message Block (SMB) is a network file sharing protocol included in Windows 10 that allows reading and writing files and making other service requests on network devices. Usually, you’ll use SMB to connect to devices that aren’t running Windows, such as a router with file sharing capabilities, network attached storage (NAS), or other computers running Linux.

Although there have been three major versions of the protocol, you may still have devices running the original version, like SMB version 1 (v1) which is old and insecure, and Windows 10 won’t install it. more by default starting with the Fall Creators Update and the April 2018 Update. As a result, you will get error messages like “You cannot connect to file sharing because it is not secure ”; “The specified network name is no longer available;” and “Unspecified error 0x80004005” when you try to access your files.

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However, if you have a network device that you can no longer access due to this issue, you can still temporarily enable the protocol to retrieve files.

In this Windows 10 guide, we explain the steps to temporarily enable the SMB protocol to regain access to files stored on the network. Next, we will also explain the process to disable it in order to protect your computer.

How to temporarily re-enable SMBv1 protocol on Windows 10

If you do not have direct access to the device running the SMB service, you can temporarily enable the SMBv1 protocol in order to recover your files by doing the following:

  1. Open Control Panel.
  2. Click on Programs.
  3. Click on Enable or disable Windows features connect.

  4. Broaden the Support for SMB 1.0 / CIFS file sharing option.
  5. Check the SMB 1.0 / CIFS client option.

  6. Click it Okay button.
  7. Click it Restart now button.

After completing these steps, you will again be able to see and connect to network devices running the old protocol on your local network from your Windows 10 computer.

Of course, you should only use these steps as a temporary solution to regain access to your files stored on the network. Ideally, if you are saving your data to a drive connected to a router with file sharing capabilities or a NAS, you should contact the device manufacturer for specific instructions to update the device to a version that supports. support SMBv2.02 or later.

If the manufacturer cannot provide an update, you should consider getting a network device that supports the more secure version of the network protocol.

After you migrate your data off the network or update the software that supports the more secure version of the protocol, we recommend that you disable SMBv1 on your computer. You can easily do this by following the same steps mentioned above, but on Step n ° 5, be sure to erase the SMB 1.0 / CIFS client option.

How to tell if SMBv2 is enabled on your PC

SMB version 2 should be enabled by default on your Windows 10 installation, but you can verify by following these steps:

  1. Open Start.
  2. To research PowerShell, right-click on the first result and select Execute as administrator.
  3. Type the following command to check if SMBv2 is enabled and press Enter:

    Get-SmbServerConfiguration | Select EnableSMB2Protocol

    If the exit returns True, then SMBv2 is enabled. If the output is False, use this command to activate it and press Enter:

    Set-SmbServerConfiguration –EnableSMB2Protocol $true

More Windows 10 resources

For more useful articles, coverage, and answers to common Windows 10 questions, visit the following resources:

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