Policy
Mandate the maximum version of SMB
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.
PackMicrosoft Windows
CategoryNetwork / Lanman Workstation
Policy ID
46ac3578b7d8Internal name
Pol_MaxSmb2DialectRegistry
Copy registry mappings
HKLM\Software\Policies\Microsoft\Windows\LanmanWorkstation\MaxSmb2DialectPolicy notes
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.
Related policies
Alternative Port MappingsAudit insecure guest logonAudit server does not support encryptionAudit server does not support signingBlock NTLM (LM, NTLM, NTLMv2)Block NTLM Server Exception ListCipher suite orderDisable SMB compressionDisabled SMB over QUIC Server Exception ListEnable Alternative PortsEnable insecure guest logonsEnable remote mailslotsEnable SMB over QUICHandle Caching on Continuous Availability SharesMandate the minimum version of SMBOffline Files Availability on Continuous Availability SharesRequire EncryptionUse SMB compression by default