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Do not allow manual configuration of target portals

Verified with Windows 11 25H2 — updated on July 30, 2026

Windows 11 25H2

Supported on: At least Windows Vista

Path in the GPO console

Computer Configuration\Administrative Templates\System\iSCSI\iSCSI Target Discovery

Description

If enabled then new target portals may not be added and thus new targets discovered on those portals; existing target portals may not be removed. If disabled then new target portals may be added and thus new targets discovered on those portals; existing target portals may be removed.

Registry

HKLM Software\Policies\Microsoft\Windows\iSCSI

Value name: ConfigureTargetPortals

Enabled: ConfigureTargetPortals = 1

Disabled: ConfigureTargetPortals = 0

MDM / Intune (CSP)

./Device/Vendor/MSFT/Policy/Config/ADMX_iSCSI/iSCSIDiscovery_ConfigureTargetPortals
Device Since Windows 10, version 2004 with KB5005101 [10.0.19041.1202] and later | Windows 10, version 20H2 with KB5005101 [10.0.19042.1202] and later | Windows 10, version 21H1 with KB5005101 [10.0.19043.1202] and later | Windows 11, version 21H2 [10.0.22000] and later Official mapping (Microsoft Learn)

Microsoft Learn documentation Mapping data: Microsoft Learn (CC BY 4.0)

Export Builder

BETA

Configure the state, scope and options, then generate .reg, PowerShell, Intune and SCCM outputs — or add the setting to a multi-setting collection.

These exports write the registry — this is not a managed GPO.

.reg file

Windows Registry Editor Version 5.00

; Exported from gporais.com
; Policy: Do not allow manual configuration of target portals
; State: Enabled
; Supported on: At least Windows Vista

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\iSCSI]
"ConfigureTargetPortals"=dword:00000001
More formats (PowerShell, Intune, SCCM)

PowerShell

# Exported from gporais.com
# Policy: Do not allow manual configuration of target portals
# State: Enabled
# Supported on: At least Windows Vista

$path = 'HKLM:\Software\Policies\Microsoft\Windows\iSCSI'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'ConfigureTargetPortals' -Value 1 -Type DWord

Building a multi-setting collection? Add this setting and generate combined .reg / PowerShell / GPO scripts.

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