UpstreamResolveSystem Property of the IFPCWebProxy Interface

Article
08/13/2010

The UpstreamResolveSystem property gets or sets a value from the FpcNameSystem enumerated type that specifies the method that the Forefront TMG Web proxy will use for resolving the names of upstream array members to which it is to connect according to the Cache Array Routing Protocol (CARP) algorithm. Based on the value of this property, the Forefront TMG Web proxy uses their fully qualified domain names (FQDNs) with resolution by the DNS name lookup system or their NetBIOS names with resolution by the WINS name lookup system, both of which are returned by the upstream proxy server.

C++

HRESULT put_UpstreamResolveSystem(
    FpcNameSystem NameSystem
);
HRESULT get_UpstreamResolveSystem(
    FpcNameSystem* pNameSystem
);

Parameters

NameSystem
Value from the FpcNameSystem enumerated type that specifies the method that the Web proxy will use for resolving the names of upstream array members to which it is to connect according to the CARP algorithm.
pNameSystem
Pointer to a value from the FpcNameSystem enumerated type that is set on return to fpcNameSystem_DNS if the Web proxy is to use FQDNs for resolving the names of upstream servers, or to fpcNameSystem_WINS if the Web proxy is to use NetBIOS names.

Return Value

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

Visual Basic

Property UpstreamResolveSystem As FpcNameSystem

Property Value

Value from the FpcNameSystem enumerated type that specifies the method that the Web proxy will use for resolving the names of upstream array members to which it is to connect according to the CARP algorithm.

Remarks

This property is read/write. Its default value is fpcNameSystem_DNS, which indicates that the Web proxy is to use the DNS name lookup system to resolve the name of an upstream server.

After the value of this property has been modified, the change must be written to persistent storage by calling the Save method, and the Microsoft Firewall service must be restarted for the change to take effect. For more information about restarting the Firewall service to apply changes, see Restarting Services After Configuration Changes.

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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