UnavailabilityTime Property of the IFPCRadiusServers Interface

Article
08/13/2010

The UnavailabilityTime property gets or sets the time, in minutes, during which a RADIUS server that failed to respond to retried requests will remain unavailable for subsequent requests.

C++

HRESULT put_UnavailabilityTime(
    VARIANT_BOOL lTime
);
HRESULT get_UnavailabilityTime(
    long* plTime
);

Parameters

lTime
A 32-bit integer value that specifies the time, in minutes, during which a RADIUS server that failed to respond to retried requests will remain unavailable for subsequent requests.
plTime
Pointer to a variable that on return receives a 32-bit integer specifying the time, in minutes, during which a RADIUS server that failed to respond to retried requests will remain unavailable for subsequent requests.

Return Value

These property methods return S_OK if the call is successful; otherwise, they return an error code.

Visual Basic

Property UnavailabilityTime As Long

Property Value

A 32-bit integer that specifies the time, in minutes, during which a RADIUS server that failed to respond to retried requests will remain unavailable for subsequent requests.

Remarks

This property is read/write. Its default value is 2 minutes.

This property is only used by application filters that call the IFWXRadiusAuthenticator::AuthenticateRadiusUser method to request RADIUS authentication. Specifically, the Forefront TMG Web proxy, which is implemented as an application filter, uses this method to request RADIUS authentication of its clients, and the availability of RADIUS servers for authentication is therefore affected by the value of this property. Conversely, this property does not influence the availability of RADIUS accounting and authentication for VPN clients.

Requirements

Client	Requires Windows 7 or Windows Vista.
Server	Requires Windows Server 2008 R2 or Windows Server 2008 x64 Edition with SP2.
Version	Requires Forefront Threat Management Gateway (TMG) 2010.
IDL	Declared in Msfpccom.idl.
DLL	Requires Msfpccom.dll.

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