You can't access this shared folder in Windows 10

php 发表于 2017/11/19 12:51 | 显示全部楼层 |阅读模式
You can't access this shared folder because your organization's security policies block unauthenticated guest access. These policies help protect your PC from unsafe or malicious devices on the network.
您無法存取此共用資料夾,因為您組織的安全性原則已封鎖未經驗證的來賓存取。這些原則可協助保護您的電腦,以防禦網路上不安全或惡意的裝置。
Guest access in SMB2 disabled by default in Windows 10 Fall Creators Update and Windows Server 2016 version 1709
  • Press the Windows key and the R key, input gpedit.msc, press Enter.
  • Go to "Computer Configuration\Administrative Templates\Network\Lanman Workstation“
  • Find and double click "Enable insecure guest logons"
  • Make sure it's "enabled"
Now you can access PCs on the  LAN.
This policy setting determines if the SMB client will allow insecure guest logons to an SMB server.
If you enable this policy setting or if you do not configure this policy setting, the SMB client will allow insecure guest logons.
If you disable this policy setting, the SMB client will reject insecure guest logons.
Insecure guest logons are used by file servers to allow unauthenticated access to shared folders. While uncommon in an enterprise environment, insecure guest logons are frequently used by consumer Network Attached Storage (NAS) appliances acting as file servers. Windows file servers require authentication and do not use insecure guest logons by default. Since insecure guest logons are unauthenticated, important security features such as SMB Signing and SMB Encryption are disabled. As a result, clients that allow insecure guest logons are vulnerable to a variety of man-in-the-middle attacks that can result in data loss, data corruption, and exposure to malware. Additionally, any data written to a file server using an insecure guest logon is potentially accessible to anyone on the network. Microsoft recommends disabling insecure guest logons and configuring file servers to require authenticated access."

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