Trusted Hosts: registry value TrustedHosts and 1 moreComputerHKLM\Software\Policies\Microsoft\Windows\WinRM\Client

Policy ID: TrustedHosts
Scope: Computer Configuration
Supported on: At least Windows Vista
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: Windows Components › Windows Remote Management (WinRM) › WinRM Client

Registry

TrustedHosts

-Computer

HKLM\Software\Policies\Microsoft\Windows\WinRM\Client Current key

TrustedHostsList

REG_SZComputer

HKLM\Software\Policies\Microsoft\Windows\WinRM\Client Current key

Enabled value: Depends on the option value
Element: TrustedHostsList:
Value type: REG_SZ
Maximum length: 1024

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\WinRM\Client]

; Value names and types follow the ADMX. Replace <enter value> below with your own data
"TrustedHostsList"="<enter value>"

CMD

:: Value names and types follow the ADMX. Replace <enter value> below with your own data

reg add "HKLM\Software\Policies\Microsoft\Windows\WinRM\Client" /v "TrustedHostsList" /t REG_SZ /d "<enter value>" /f

PowerShell

# Value names and types follow the ADMX. Replace <enter value> below with your own data

New-Item -Path 'HKLM:\Software\Policies\Microsoft\Windows\WinRM\Client' -Force | Out-Null
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\WinRM\Client' -Name 'TrustedHostsList' -PropertyType String -Value '<enter value>' -Force | Out-Null