3.2.3.1 GetFsTrustInformation Initialization

The client can maintain a cached copy of the data described in section 3.1.1.1.<1>

Prior to emitting a GetFsTrustInformation request, the client MUST obtain the version number and GUID of the currently cached trust information. If no trust information is cached on the client, the client MUST use a version number equal to 0 and a GUID equal to 00000000-0000-0000-0000-000000000000.