Rendi obbligatoria la versione massima di SMB: valore del Registro di sistema MaxSmb2Dialect (LanmanWorkstation)ComputerHKLM\Software\Policies\Microsoft\Windows\LanmanWorkstation
- ID criterio
- Pol_MaxSmb2Dialect
- Ambito
- Configurazione computer
- Supportato in
- Almeno Windows Server 2025 o Windows 11
- Origine
- Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (versione 1.0)
- Categoria
- Rete › Workstation LANMAN
Registro
MaxSmb2Dialect
REG_DWORDComputerHKLM\Software\Policies\Microsoft\Windows\LanmanWorkstation Chiave corrente
- Valore abilitato
- Dipende dal valore dell'opzione
- Elemento
- Versione:
| Voce | Valore memorizzato |
|---|---|
| SMB 3.1.1 | 785 |
| SMB 3.0.2 | 770 |
| SMB 3.0.0 | 768 |
| SMB 2.1.0 | 528 |
| SMB 2.0.2 | 514 |
Applica con .reg · CMD · PowerShell
.reg
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\LanmanWorkstation] ; Opzioni (usarne solo una) ; SMB 3.1.1 "MaxSmb2Dialect"=dword:00000311 ; SMB 3.0.2 "MaxSmb2Dialect"=dword:00000302 ; SMB 3.0.0 "MaxSmb2Dialect"=dword:00000300 ; SMB 2.1.0 "MaxSmb2Dialect"=dword:00000210 ; SMB 2.0.2 "MaxSmb2Dialect"=dword:00000202
CMD
:: Opzioni (usarne solo una) :: SMB 3.1.1 reg add "HKLM\Software\Policies\Microsoft\Windows\LanmanWorkstation" /v "MaxSmb2Dialect" /t REG_DWORD /d 785 /f :: SMB 3.0.2 reg add "HKLM\Software\Policies\Microsoft\Windows\LanmanWorkstation" /v "MaxSmb2Dialect" /t REG_DWORD /d 770 /f :: SMB 3.0.0 reg add "HKLM\Software\Policies\Microsoft\Windows\LanmanWorkstation" /v "MaxSmb2Dialect" /t REG_DWORD /d 768 /f :: SMB 2.1.0 reg add "HKLM\Software\Policies\Microsoft\Windows\LanmanWorkstation" /v "MaxSmb2Dialect" /t REG_DWORD /d 528 /f :: SMB 2.0.2 reg add "HKLM\Software\Policies\Microsoft\Windows\LanmanWorkstation" /v "MaxSmb2Dialect" /t REG_DWORD /d 514 /f
PowerShell
# Comune: crea la chiave New-Item -Path 'HKLM:\Software\Policies\Microsoft\Windows\LanmanWorkstation' -Force | Out-Null # Opzioni (usarne solo una) # SMB 3.1.1 New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\LanmanWorkstation' -Name 'MaxSmb2Dialect' -PropertyType DWord -Value 785 -Force | Out-Null # SMB 3.0.2 New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\LanmanWorkstation' -Name 'MaxSmb2Dialect' -PropertyType DWord -Value 770 -Force | Out-Null # SMB 3.0.0 New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\LanmanWorkstation' -Name 'MaxSmb2Dialect' -PropertyType DWord -Value 768 -Force | Out-Null # SMB 2.1.0 New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\LanmanWorkstation' -Name 'MaxSmb2Dialect' -PropertyType DWord -Value 528 -Force | Out-Null # SMB 2.0.2 New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\LanmanWorkstation' -Name 'MaxSmb2Dialect' -PropertyType DWord -Value 514 -Force | Out-Null