Set authorized domains for HTTPS authentication in MSIX streaming install: registry value MSIXAuthenticationAuthorizedDomainsComputerHKLM\Software\Policies\Microsoft\Windows\Appx
- Policy ID
- ConfigureMSIXAuthenticationAuthorizedDomains
- Scope
- Computer Configuration
- Supported on
- At least Windows 11 Version 22H2
- Source
- Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
- Category
- Windows Components › App Package Deployment
Registry
MSIXAuthenticationAuthorizedDomains
REG_SZComputerHKLM\Software\Policies\Microsoft\Windows\Appx Current key
- Enabled value
- Depends on the option value
- Element
- Expression
- Value type
- REG_SZ
- Required
- true
Apply with .reg · CMD · PowerShell
.reg
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Appx] ; Value names and types follow the ADMX. Replace <enter value> below with your own data "MSIXAuthenticationAuthorizedDomains"="<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\Appx" /v "MSIXAuthenticationAuthorizedDomains" /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\Appx' -Force | Out-Null New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\Appx' -Name 'MSIXAuthenticationAuthorizedDomains' -PropertyType String -Value '<enter value>' -Force | Out-Null