Enable Alternative Ports
- Policy ID
- Pol_EnableAlternativePorts
- Scope
- Computer Configuration
- Supported on
- At least Windows Server 2025, Windows 11
- Source
- Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
- Category
- Network › Lanman Workstation
Description
This policy controls whether the SMB client will enable or disable alternative ports.
If you disable this policy setting, alternative ports will not be used by the SMB client.
If you do not configure this policy setting, alternative ports may be used by the SMB client.
Registry
ComputerHKEY_LOCAL_MACHINE
- EnableAlternativePortsREG_DWORD