Enable remote mailslots
- Policy ID
- Pol_EnableMailslots
- 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 remote mailslots over MUP.
If you disable this policy setting, remote mailslots will not function over MUP, hence they will not go through the SMB client redirector.
If you do not configure this policy setting, remote mailslots may be allowed through MUP.
Registry
ComputerHKEY_LOCAL_MACHINE
- EnableMailslotsREG_DWORD