EAP Method Flags
The EAP method flags are used within the supplicant, authenticator, and peer functions to specify behaviors of an EAP authentication session.
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EAP_FLAG_Reserved1
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0x00000001
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Do not use. Reserved for future use.
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EAP_FLAG_NON_INTERACTIVE
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0x00000002
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Do not display a user interface (UI).
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EAP_FLAG_LOGON
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0x00000004
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User data was obtained from Windows logon.
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EAP_FLAG_PREVIEW
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0x00000008
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Show credentials UI before authenticating, even if cached credentials are present.
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EAP_FLAG_Reserved2
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0x00000010
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Do not use. Reserved for future use.
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EAP_FLAG_MACHINE_AUTH
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0x00000020
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Use machine level authentication; not setting this flag indicates user level authentication is being used.
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EAP_FLAG_GUEST_ACCESS
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0x00000040
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Indicates a request to provide guest access.
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EAP_FLAG_Reserved3
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0x00000080
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Do not use. Reserved for future use.
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EAP_FLAG_Reserved4
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0x00000100
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Do not use. Reserved for future use.
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EAP_FLAG_RESUME_FROM_HIBERNATE
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0x00000200
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Indicates this is the first call after machine activity has resumed from a period of hibernation.
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EAP_FLAG_Reserved5
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0x00000400
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Do not use. Reserved for future use.
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EAP_FLAG_Reserved6
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0x00000800
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Do not use. Reserved for future use.
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EAP_FLAG_FULL_AUTH
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0x00001000
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Indicates that tunnel methods should perform a full authentication instead of an abbreviated version, such as Protected EAP (PEAP) Fast Reconnect.
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EAP_FLAG_PREFER_ALT_CREDENTIALS
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0x00002000
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Indicates credentials passed into EapPeerBeginSession are preferred to all other forms of credential retrieval, even if configuration data passed into the current function requests a different mode of credential retrieval.
Note
This flag is only used by EapPeerBeginSession.
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EAP_FLAG_Reserved7
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0x00004000
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Do not use. Reserved for future use.
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EAP_PEER_FLAG_HEALTH_STATE_CHANGE
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0x00008000
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Indicates the cause of re-authentication is a Network Access Protection (NAP) callback; NAP initiated the authentication session because the health state changed. This flag must be sent only when this function is called by a NAP-specific NotificationHandler callback provided by a previous call to this function.
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EAP_FLAG_SUPRESS_UI
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0x00010000
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Continue authentication with available information. If the authentication cannot proceed then fail.
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EAP_FLAG_PRE_LOGON
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0x00020000
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Indicates that EAPHost should provide Single-Sign-On (SSO). For more information, see SSO and PLAP.
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EAP_FLAG_USER_AUTH
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0x00040000
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Indicates user level authentication for legacy methods that cannot set EAP_FLAG_MACHINE_AUTH.
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EAP_FLAG_CONFG_READONLY
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0x00080000
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Indicates the configuration can be viewed but not updated.
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EAP_FLAG_Reserved8
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0x00100000
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Do not use. Reserved for future use.
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Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows Vista [desktop apps only] |
| Minimum supported server |
Windows Server 2008 [desktop apps only] |
| Header |
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