Enable Ambient Authentication for InPrivate and Guest profiles
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Policy overview

Key metadata and intent for this policy.

Category
Microsoft Edge
Supported on
Microsoft Edge version 81, Windows 7 or later

Supported OS tags: Windows7

Configures this policy to allow/disallow ambient authentication for InPrivate and Guest profiles in Microsoft Edge. Ambient Authentication is http authentication with default credentials when explicit credentials aren't provided via New Technology LAN Manager (NTLM)/Kerberos/Negotiate challenge/response schemes. If you set the policy to 'RegularOnly', it allows ambient authentication for Regular sessions only. InPrivate and Guest sessions aren't allowed to ambiently authenticate. If you set the policy to 'InPrivateAndRegular', it allows ambient authentication for InPrivate and Regular sessions. Guest sessions aren't allowed to ambiently authenticate. If you set the policy to 'GuestAndRegular', it allows ambient authentication for Guest and Regular sessions. InPrivate sessions aren't allowed to ambiently authenticate If you set the policy to 'All', it allows ambient authentication for all sessions. Ambient authentication is always allowed on regular profiles. In Microsoft Edge version 81 and later, if you don't configure this policy, ambient authentication is enabled in regular sessions only. Policy options mapping: * RegularOnly (0) = Enable ambient authentication in regular sessions only * InPrivateAndRegular (1) = Enable ambient authentication in InPrivate and regular sessions * GuestAndRegular (2) = Enable ambient authentication in guest and regular sessions * All (3) = Enable ambient authentication in regular, InPrivate, and guest sessions Use the preceding information when configuring this policy.

Internal name
AmbientAuthenticationInPrivateModesEnabled
Policy ID
2671175310fe
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.

ScopeElementTypeRegistry mappingConstraints & behaviorCopy
Enable Ambient Authentication for InPrivate and Guest profiles
ID AmbientAuthenticationInPrivateModesEnabled
enum
Path
Software\Policies\Microsoft\Edge
Value name
AmbientAuthenticationInPrivateModesEnabled
Type
REG_DWORD
Options: Enable ambient authentication in regular sessions only (0), Enable ambient authentication in InPrivate and regular sessions (1), Enable ambient authentication in guest and regular sessions (2), Enable ambient authentication in regular, InPrivate, and guest sessions (3)
Enable Ambient Authentication for InPrivate and Guest profiles
Both · Type enum
Registry mapping
Path
Software\Policies\Microsoft\Edge
Value name
AmbientAuthenticationInPrivateModesEnabled
Type
REG_DWORD
Details
Options: Enable ambient authentication in regular sessions only (0), Enable ambient authentication in InPrivate and regular sessions (1), Enable ambient authentication in guest and regular sessions (2), Enable ambient authentication in regular, InPrivate, and guest sessions (3)