Specify maximum number of processes per Shell: registry value MaxProcessesPerShellComputerHKLM\Software\Policies\Microsoft\Windows\WinRM\Service\WinRS

Policy ID: MaxProcessesPerShell
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 Shell

Registry

MaxProcessesPerShell

REG_DWORDComputer

HKLM\Software\Policies\Microsoft\Windows\WinRM\Service\WinRS Current key

Enabled value: Depends on the option value
Element: MaxProcessesPerShell
Value type: REG_DWORD
Minimum value: 0
Maximum value: 2147483647

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\WinRM\Service\WinRS]

; Value names and types follow the ADMX. Replace <enter value> below with your own data
"MaxProcessesPerShell"=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\Windows\WinRM\Service\WinRS" /v "MaxProcessesPerShell" /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\Windows\WinRM\Service\WinRS' -Force | Out-Null
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows\WinRM\Service\WinRS' -Name 'MaxProcessesPerShell' -PropertyType DWord -Value '<enter value>' -Force | Out-Null