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May 18, 2023 · This article describes how to enable and disable Server Message Block (SMB) version 1 (SMBv1), SMB version 2 (SMBv2), and SMB version 3 (SMBv3) on the SMB client and server components.
Apr 3, 2022 · SMB (Server Message Block) is a network-layered protocol mainly used on Windows for sharing files, printers, and communication between network-attached.
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Jun 8, 2020 · SMB (Server Message Block) is a critical network protocol that enables file and printer sharing services on Windows networks. Over the years, SMB has evolved through three major versions – SMBv1, SMBv2, and SMBv3 – each bringing significant improvements in performance, scalability, and security.
Server Message Block (SMB) is a communication protocol [1] used to share files, printers, serial ports, and miscellaneous communications between nodes on a network. On Microsoft Windows, the SMB implementation consists of two vaguely named Windows services: "Server" (ID: LanmanServer) and "Workstation" (ID: LanmanWorkstation). [2] .
In this comprehensive guide, I‘ll give you the complete low-down on detecting which SMB editions you have enabled, turning them on or off, and optimizing your configurations for performance and safety. We‘ll go step-by-step through using both PowerShell and the Registry Editor to check and modify your SMB versions.
Apr 10, 2019 · When you use SMB1, you lose key protections offered by later SMB protocol versions: Pre-authentication Integrity (SMB 3.1.1+). Protects against security downgrade attacks.
Mar 12, 2024 · Enable or Disable SMB 1.0 Protocol on Windows Server 2019/2022. The SMBv1 protocol components are also disabled by default in Windows Server 2019 and 2022. You can install SMB v1 using the Server Manager (SMB 1.0/CIFS File Sharing Support feature) or PowerShell.