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I find today that I can no longer mount my Netgear ReadyNas drive because apparently it is using SMB1 and Windows 10 have disabled since release 1709. This is very problemaic because I need to access these files and because I have lost the admin password for the ReadyNas itself so I cannot login in order to update/reconfigure it to use SMB2 instead.

Microsoft refers me to https://support.microsoft.com/en-us/help/4034314/smbv1-is-not-installed-by-default-in-windows which in turn refers me to https://support.microsoft.com/en-us/help/2696547/how-to-detect-enable-and-disable-smbv1-smbv2-and-smbv3-in-windows-and if I really want re-enable SMB1

And I successfully did re-enable SMB1 by running

Enable-WindowsOptionalFeature -Online -FeatureName smb1protocol

from Powershell as Adminstrator.

However even after reboot I still cannot re-establish connection to my Netgear from Windows Explorer, it gives the same error

What else do I need to do ?

PS C:\WINDOWS\system32> Get-WindowsOptionalFeature –Online –FeatureName SMB1Protocol


FeatureName      : SMB1Protocol
DisplayName      : SMB 1.0/CIFS File Sharing Support
Description      : Support for the SMB 1.0/CIFS file sharing protocol and the Computer Browser protocol.
RestartRequired  : Possible
State            : Enabled
CustomProperties :
                   ServerComponent\Description : Support for the SMB 1.0/CIFS file sharing protocol and the Computer
                   Browser protocol.
                   ServerComponent\DisplayName : SMB 1.0/CIFS File Sharing Support
                   ServerComponent\Id : 487
                   ServerComponent\Type : Feature
                   ServerComponent\UniqueName : FS-SMB1
                   ServerComponent\Deploys\Update\Name : SMB1Protocol

Solution

Thanks Bob, SMB 1.0/CIFS File Sharing Support was enabled but within it SMB 1.0 Client was not enabled, checking that box and rebooting fixed the issue.

Paul Taylor
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    Can you go to Programs and Features (old Control Panel) => Turn Windows Features on or off (left sidebar) and check if `SMB 1.0/CIFS File Sharing Support` is enabled (checked) in that list? https://i.stack.imgur.com/vpUS1.png from the second MS Support link. – Bob May 01 '18 at 14:49
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    Also see what `Get-WindowsOptionalFeature –Online –FeatureName SMB1Protocol` says. – Bob May 01 '18 at 14:50
  • simple solution, get [older Win10 version (1607) ISO](https://superuser.com/a/1108086/174557), use Rufus to create a WinToGo on an USB connected HDD, boot that WinToGo and access the NAS here over SMB1 and get all data – magicandre1981 May 01 '18 at 15:39
  • Thnakyou @Bob that was basically the issue , see my updated question with solution. – Paul Taylor May 01 '18 at 16:30
  • @PaulTaylor Please add that as a self-answer below rather than editing it into the question. – Bob May 02 '18 at 00:51
  • @Bob okay, have done that. – Paul Taylor May 02 '18 at 08:17
  • @PaulTaylor Great! :) Now you just need to wait a couple days and mark it as accepted. – Bob May 02 '18 at 09:00
  • @Bob, thank you! All I had to do was enable SMB support as you stated in your first comment and then reboot. This was for a Synology DS416Play NAS in Windows 10 Pro 1809. – Tim Mayes Jan 21 '19 at 20:40

1 Answers1

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The problem was that although I had sucessfully reinstalled SMB1, the SMB1 client had not been enabled, so if you hit this problem there are two stages.

First Reinstall SMB1.0

  • In Task bar search for Windows Powershell then Run as Administrator
  • Run Enable-WindowsOptionalFeature -Online -FeatureName smb1protocol
  • Reboot

Now re-enable Client Support

  • In Taskbar search for Control Panel and start it
  • Select Program and Features
  • Select Turn Windows Features On and Off on the top left handside
  • Find SMB 1.0/CIFS File Sharing Support in list
  • Click on the + button to expand
  • Ensure all three SMB options are enabled
  • Click OK
  • Reboot
Paul Taylor
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