Policy

Prevent configuration of how windows open

Windows 11 25H2

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Policy overview

Key metadata and intent for this policy.

ClassUser
CategoryWindows Components > Internet Explorer
Supported onAt least Internet Explorer 7.0

This policy setting allows you to configure how windows open in Internet Explorer when the user clicks links from other applications. If you enable this policy setting, the user cannot configure how windows open in Internet Explorer when he or she clicks links from other applications. You must specify one of the following: • Open in an existing Internet Explorer window. If tabbed browsing is enabled, a new tab is created in this scenario. • Open a new Internet Explorer window. If you disable or do not configure this policy setting, the user can configure how windows open when he or she clicks links from other applications.

Internal name
NoWindowReuse
Policy ID
b1558dd1cd33
Elements
1

Registry values

How enabled and disabled states update the registry.

No explicit registry values are set for enabled or disabled states.

Policy elements

Inputs and configuration options exposed by this policy.

ElementTypeRegistry mappingConstraints & behavior
Select where to open links
ID SelectWindowReuse
enum
HKCU\Software\Policies\Microsoft\Internet Explorer\Main\AllowWindowReuse
Type REG_DWORD
Options: Open in existing Internet Explorer window (1), Open in a new Internet Explorer window (0)

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