Mandate the maximum version of SMB
- Policy ID
- Pol_MaxSmb2Dialect
- Scope
- Computer Configuration
- Supported on
- At least Windows Server 2022, Windows 11
- Source
- Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
- Category
- Network › Lanman Server
Description
This policy controls the maximum version of SMB protocol
Note: This group policy does not prevent use of SMB 1 if that component is still installed and enabled.
Options
Registry
ComputerHKEY_LOCAL_MACHINE
- MaxSmb2DialectREG_DWORD