Set maximum storage for snapshots used by Recall: registry value SetMaximumStorageSpaceForRecallSnapshotsComputerHKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsAI

Policy ID
SetMaximumStorageSpaceForRecallSnapshots
Scope
Computer Configuration, User Configuration
Supported on
At least Windows 11 Pro, Enterprise, or Education with Windows Sandbox
Source
Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category
Windows Components › Windows AI

Registry

SetMaximumStorageSpaceForRecallSnapshots

-ComputerUser

SetMaximumStorageSpaceForRecallSnapshots

REG_DWORDComputerUser
Enabled value
Depends on the option value
Element
Select maximum storage space:
Options
ItemStored value
Let the OS define the maximum storage amount based on hard drive storage size0
10GB10240
25GB25600
50GB51200
75GB76800
100GB102400
150GB153600
Apply with .reg · CMD · PowerShell
ComputerMachine-wide setting
.reg
Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsAI]

; Options (use only one)
; Let the OS define the maximum storage amount based on hard drive storage size
"SetMaximumStorageSpaceForRecallSnapshots"=dword:00000000
; 10GB
"SetMaximumStorageSpaceForRecallSnapshots"=dword:00002800
; 25GB
"SetMaximumStorageSpaceForRecallSnapshots"=dword:00006400
; 50GB
"SetMaximumStorageSpaceForRecallSnapshots"=dword:0000c800
; 75GB
"SetMaximumStorageSpaceForRecallSnapshots"=dword:00012c00
; 100GB
"SetMaximumStorageSpaceForRecallSnapshots"=dword:00019000
; 150GB
"SetMaximumStorageSpaceForRecallSnapshots"=dword:00025800
CMD
:: Options (use only one)

:: Let the OS define the maximum storage amount based on hard drive storage size
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsAI" /v "SetMaximumStorageSpaceForRecallSnapshots" /t REG_DWORD /d 0 /f
:: 10GB
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsAI" /v "SetMaximumStorageSpaceForRecallSnapshots" /t REG_DWORD /d 10240 /f
:: 25GB
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsAI" /v "SetMaximumStorageSpaceForRecallSnapshots" /t REG_DWORD /d 25600 /f
:: 50GB
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsAI" /v "SetMaximumStorageSpaceForRecallSnapshots" /t REG_DWORD /d 51200 /f
:: 75GB
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsAI" /v "SetMaximumStorageSpaceForRecallSnapshots" /t REG_DWORD /d 76800 /f
:: 100GB
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsAI" /v "SetMaximumStorageSpaceForRecallSnapshots" /t REG_DWORD /d 102400 /f
:: 150GB
reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsAI" /v "SetMaximumStorageSpaceForRecallSnapshots" /t REG_DWORD /d 153600 /f
PowerShell
# Common: create the key
New-Item -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\WindowsAI' -Force | Out-Null

# Options (use only one)
# Let the OS define the maximum storage amount based on hard drive storage size
New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\WindowsAI' -Name 'SetMaximumStorageSpaceForRecallSnapshots' -PropertyType DWord -Value 0 -Force | Out-Null
# 10GB
New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\WindowsAI' -Name 'SetMaximumStorageSpaceForRecallSnapshots' -PropertyType DWord -Value 10240 -Force | Out-Null
# 25GB
New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\WindowsAI' -Name 'SetMaximumStorageSpaceForRecallSnapshots' -PropertyType DWord -Value 25600 -Force | Out-Null
# 50GB
New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\WindowsAI' -Name 'SetMaximumStorageSpaceForRecallSnapshots' -PropertyType DWord -Value 51200 -Force | Out-Null
# 75GB
New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\WindowsAI' -Name 'SetMaximumStorageSpaceForRecallSnapshots' -PropertyType DWord -Value 76800 -Force | Out-Null
# 100GB
New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\WindowsAI' -Name 'SetMaximumStorageSpaceForRecallSnapshots' -PropertyType DWord -Value 102400 -Force | Out-Null
# 150GB
New-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\WindowsAI' -Name 'SetMaximumStorageSpaceForRecallSnapshots' -PropertyType DWord -Value 153600 -Force | Out-Null
UserPer-account setting
.reg
Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\SOFTWARE\Policies\Microsoft\Windows\WindowsAI]

; Options (use only one)
; Let the OS define the maximum storage amount based on hard drive storage size
"SetMaximumStorageSpaceForRecallSnapshots"=dword:00000000
; 10GB
"SetMaximumStorageSpaceForRecallSnapshots"=dword:00002800
; 25GB
"SetMaximumStorageSpaceForRecallSnapshots"=dword:00006400
; 50GB
"SetMaximumStorageSpaceForRecallSnapshots"=dword:0000c800
; 75GB
"SetMaximumStorageSpaceForRecallSnapshots"=dword:00012c00
; 100GB
"SetMaximumStorageSpaceForRecallSnapshots"=dword:00019000
; 150GB
"SetMaximumStorageSpaceForRecallSnapshots"=dword:00025800
CMD
:: Options (use only one)

:: Let the OS define the maximum storage amount based on hard drive storage size
reg add "HKCU\SOFTWARE\Policies\Microsoft\Windows\WindowsAI" /v "SetMaximumStorageSpaceForRecallSnapshots" /t REG_DWORD /d 0 /f
:: 10GB
reg add "HKCU\SOFTWARE\Policies\Microsoft\Windows\WindowsAI" /v "SetMaximumStorageSpaceForRecallSnapshots" /t REG_DWORD /d 10240 /f
:: 25GB
reg add "HKCU\SOFTWARE\Policies\Microsoft\Windows\WindowsAI" /v "SetMaximumStorageSpaceForRecallSnapshots" /t REG_DWORD /d 25600 /f
:: 50GB
reg add "HKCU\SOFTWARE\Policies\Microsoft\Windows\WindowsAI" /v "SetMaximumStorageSpaceForRecallSnapshots" /t REG_DWORD /d 51200 /f
:: 75GB
reg add "HKCU\SOFTWARE\Policies\Microsoft\Windows\WindowsAI" /v "SetMaximumStorageSpaceForRecallSnapshots" /t REG_DWORD /d 76800 /f
:: 100GB
reg add "HKCU\SOFTWARE\Policies\Microsoft\Windows\WindowsAI" /v "SetMaximumStorageSpaceForRecallSnapshots" /t REG_DWORD /d 102400 /f
:: 150GB
reg add "HKCU\SOFTWARE\Policies\Microsoft\Windows\WindowsAI" /v "SetMaximumStorageSpaceForRecallSnapshots" /t REG_DWORD /d 153600 /f
PowerShell
# Common: create the key
New-Item -Path 'HKCU:\SOFTWARE\Policies\Microsoft\Windows\WindowsAI' -Force | Out-Null

# Options (use only one)
# Let the OS define the maximum storage amount based on hard drive storage size
New-ItemProperty -Path 'HKCU:\SOFTWARE\Policies\Microsoft\Windows\WindowsAI' -Name 'SetMaximumStorageSpaceForRecallSnapshots' -PropertyType DWord -Value 0 -Force | Out-Null
# 10GB
New-ItemProperty -Path 'HKCU:\SOFTWARE\Policies\Microsoft\Windows\WindowsAI' -Name 'SetMaximumStorageSpaceForRecallSnapshots' -PropertyType DWord -Value 10240 -Force | Out-Null
# 25GB
New-ItemProperty -Path 'HKCU:\SOFTWARE\Policies\Microsoft\Windows\WindowsAI' -Name 'SetMaximumStorageSpaceForRecallSnapshots' -PropertyType DWord -Value 25600 -Force | Out-Null
# 50GB
New-ItemProperty -Path 'HKCU:\SOFTWARE\Policies\Microsoft\Windows\WindowsAI' -Name 'SetMaximumStorageSpaceForRecallSnapshots' -PropertyType DWord -Value 51200 -Force | Out-Null
# 75GB
New-ItemProperty -Path 'HKCU:\SOFTWARE\Policies\Microsoft\Windows\WindowsAI' -Name 'SetMaximumStorageSpaceForRecallSnapshots' -PropertyType DWord -Value 76800 -Force | Out-Null
# 100GB
New-ItemProperty -Path 'HKCU:\SOFTWARE\Policies\Microsoft\Windows\WindowsAI' -Name 'SetMaximumStorageSpaceForRecallSnapshots' -PropertyType DWord -Value 102400 -Force | Out-Null
# 150GB
New-ItemProperty -Path 'HKCU:\SOFTWARE\Policies\Microsoft\Windows\WindowsAI' -Name 'SetMaximumStorageSpaceForRecallSnapshots' -PropertyType DWord -Value 153600 -Force | Out-Null