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Why can't I see my NAS's shared folders in Windows File Explorer after installing the Windows 10 Fall Creators Update (version 1709)?

Last modified date: 2022-12-08

Applicable Products

QTS, QuTS hero 

Overview

Starting from Windows 10 version 1709 (Fall Creators Update), Windows no longer supports SMB version 1 (SMBv1) by default. This prevents Windows File Explorer from discovering shared folders on a NAS with QTS/QuTS hero version 4.3.4 or earlier on the local network. 

This FAQ explains how to restore access to the shared folders on your NAS after updating Windows 10 to version 1709 or later.

Step 1: Restoring Access to Shared Folders

There are two methods to restore access to your shared folders:

Method 1: Enable WS-Discovery (QTS/QuTS hero 4.3.4 or later)

QTS version 4.3.4 and later uses Web Services Dynamic Discovery (WS-Discovery) to discover shared folders on the local network. WS-Discovery will function even if your Windows PC has SMBv1 disabled or removed. WS-Discovery will automatically determine the most suitable version of SMB to use between your PC and NAS. 

  1. Log in to your NAS as an administrator.
  2. Go to Control Panel > Network & File Services > Win/Mac/NFS > Advanced Options.
     
  3.  Enable WS-Discovery.
  4. Optional: Set the Highest SMB version and Lowest SMB version which WS-Discovery will use when communicating with the NAS.
    Warning
    We strongly recommend not using SMB version 1. This version of SMB has critical security vulnerabilities.

Method 2: Install SMBv1 in Windows 10
Warning
We strongly recommend not installing or using SMB version 1. This version of SMB has critical security vulnerabilities. Install SMB version 1 only if your NAS does not support QTS/QuTS hero 4.3.4 or later.

For details, see How to detect, enable and disable SMBv1, SMBv2, and SMBv3 in Windows.

Step 2: Accessing Shared Folders

After enabling WS-Discovery or installing SMBv1, perform the following steps to access your shared files:

  1. Press WINDOWS KEY + R to open Windows Run.
  2. Enter \\{0}, where {0} is your NAS IP address. For example, \\174.37.2.100.
    Windows File Explorer will open and show your NAS's shared folders.
    Tip
    You can view your NAS's IP address on the LCD screen of your NAS, or by using Qfinder Pro. If using Qfinder Pro, select your NAS from the device list and click Network Drives in the action bar.
  3. Optional: You can map your NAS shared folders as a network drive by performing the following steps:
    1. Open Windows File Explorer.
    2. Go to This PC.
    3. On the File Explorer ribbon, select More … > Map network drive.
    4. Enter \\{0}, where {0} is your NAS IP address. For example, \\174.37.2.100
    5. Select a drive letter.

Further Reading

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