The ClearCache method instructs the initiator HBA to clear the iSCSI authentication and preshared key caches. This method should not clear any other persistent information. 具体而言，它不应删除永久登录。
ClearCache belongs to the unpublished MSiSCSI_SecurityConfigOperations WMI class. For a description of the parameters of the ClearCache method, see the member descriptions for the ClearCache_OUT structure.