Set application cache storage limits for individual domains: registry value MaxTrustedDomainLimitInMBUserHKCU\Software\Policies\Microsoft\Internet Explorer\BrowserStorage\AppCache

Policy ID: AppCache_MaxTrustedDomainLimitInMB
Scope: Computer Configuration, User Configuration
Supported on: At least Internet Explorer 10.0
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: Windows Components › Internet Explorer › Internet Control Panel › General Page › Browsing History

Registry

MaxTrustedDomainLimitInMB

REG_DWORDUserComputer

…\Software\Policies\Microsoft\Internet Explorer\BrowserStorage\AppCacheHKCU\Software\Policies\Microsoft\Internet Explorer\BrowserStorage\AppCache Current key
HKLM\Software\Policies\Microsoft\Internet Explorer\BrowserStorage\AppCache

Enabled value: Depends on the option value
Element: Domain Storage Limit
Value type: REG_DWORD
Required: true
Minimum value: 1
Maximum value: 9999

Apply with .reg · CMD · PowerShell

UserPer-account setting

.reg

Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Policies\Microsoft\Internet Explorer\BrowserStorage\AppCache]

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

CMD

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

reg add "HKCU\Software\Policies\Microsoft\Internet Explorer\BrowserStorage\AppCache" /v "MaxTrustedDomainLimitInMB" /t REG_DWORD /d "<enter value>" /f

PowerShell

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

New-Item -Path 'HKCU:\Software\Policies\Microsoft\Internet Explorer\BrowserStorage\AppCache' -Force | Out-Null
New-ItemProperty -Path 'HKCU:\Software\Policies\Microsoft\Internet Explorer\BrowserStorage\AppCache' -Name 'MaxTrustedDomainLimitInMB' -PropertyType DWord -Value '<enter value>' -Force | Out-Null

ComputerMachine-wide setting

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Internet Explorer\BrowserStorage\AppCache]

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

CMD

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

reg add "HKLM\Software\Policies\Microsoft\Internet Explorer\BrowserStorage\AppCache" /v "MaxTrustedDomainLimitInMB" /t REG_DWORD /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\Internet Explorer\BrowserStorage\AppCache' -Force | Out-Null
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Internet Explorer\BrowserStorage\AppCache' -Name 'MaxTrustedDomainLimitInMB' -PropertyType DWord -Value '<enter value>' -Force | Out-Null