Mandate the minimum version of SMB
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Policy overview

Key metadata and intent for this policy.

Computer
Category
Network > Lanman Server
Supported on
At least Windows Server 2022, Windows 11

Supported OS tags: Windows11, WindowsServer2022

This policy controls the minimum version of SMB protocol Note: This group policy does not prevent use of SMB 1 if that component is still installed and enabled.

Internal name
Pol_MinSmb2Dialect
Policy ID
7b4ba42383f1
Elements
1

Registry values

How enabled and disabled states update the registry.

No explicit registry values are set for enabled or disabled states.

Policy elements

Inputs and configuration options exposed by this policy.

ScopeElementTypeRegistry mappingConstraints & behaviorCopy
Computer
Version:
ID MinSmb2Dialect
enum
Path
Software\Policies\Microsoft\Windows\LanmanServer
Value name
MinSmb2Dialect
Type
REG_DWORD
Options: SMB 2.0.2 (514), SMB 2.1.0 (528), SMB 3.0.0 (768), SMB 3.0.2 (770), SMB 3.1.1 (785)
Version:
Computer · Type enum
Registry mapping
Path
Software\Policies\Microsoft\Windows\LanmanServer
Value name
MinSmb2Dialect
Type
REG_DWORD
Details
Options: SMB 2.0.2 (514), SMB 2.1.0 (528), SMB 3.0.0 (768), SMB 3.0.2 (770), SMB 3.1.1 (785)