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Prevent adding UNC locations to index from Control Panel

Verified with Windows 11 25H2 — updated on July 29, 2026

Windows 11 25H2

Supported on: Any version of Microsoft Windows with Windows Search 4.0 or later

Path in the GPO console

User Configuration\Administrative Templates\Windows Components\Search

Description

Enabling this policy prevents users from adding UNC locations to the index from the Search and Indexing Options in Control Panel. Any UNC locations that have already been added to the index by the user will not be removed. When this policy is disabled or not configured, users will be able to add UNC locations to the index. This policy has no effect if the Files on Microsoft Networks add-in is not installed. Disabled by default.

Registry

HKCU SOFTWARE\Policies\Microsoft\Windows\Windows Search

Value name: HideUNCTab

Enabled: HideUNCTab = 1

Disabled: HideUNCTab = 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: Prevent adding UNC locations to index from Control Panel
; State: Enabled
; Supported on: Any version of Microsoft Windows with Windows Search 4.0 or later

[HKEY_CURRENT_USER\SOFTWARE\Policies\Microsoft\Windows\Windows Search]
"HideUNCTab"=dword:00000001
More formats (PowerShell, Intune, SCCM)

PowerShell

# Exported from gporais.com
# Policy: Prevent adding UNC locations to index from Control Panel
# State: Enabled
# Supported on: Any version of Microsoft Windows with Windows Search 4.0 or later
# Warning: In SYSTEM context (the Intune default), HKCU targets the SYSTEM profile. Run this script using the logged-on credentials.

$path = 'HKCU:\SOFTWARE\Policies\Microsoft\Windows\Windows Search'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'HideUNCTab' -Value 1 -Type DWord

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

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