Why CDC Serial Device installation fails on Windows Vista and 7 OK just an update if someone would have similar problem. Interface Association Descriptor. Tinterfaceassociationdescriptor,   b. Historique. Le dveloppement de Windows Vista a t annonc en aot 2001, comme une version intermdiaire de Windows 7. Ce dernier ayant un retard important. Advances in cloud technologies have led many users to use Windows Azure Web Sites to host both a production site and test site, as it makes it easy to test various. Windows Vista Beta 2 Installation' title='Windows Vista Beta 2 Installation' />Length. B,                                       DSCTYPEIAD  b. Descriptor. Type 1. First. Interface. Interface. Count. COMMINTF,                                   b. Interface. Class of the first interface. ABSTRACTCONTROLMODEL,                     b. HwooMzO5U/hqdefault.jpg' alt='Windows Vista Beta 2 Installation' title='Windows Vista Beta 2 Installation' />Interface. Subclass of the first interface. V2. 5TER,                                     b. Interface. Protocol of the first interface. Interface Descriptor. USBINTFDSC,                 Size of this descriptor in bytes. USBDESCRIPTORINTERFACE,                   INTERFACE descriptor type. CDCCOMM1INTFID,                           Interface Number. Alternate Setting Number. Number of endpoints in this intf. Windows Vista Beta 2 Installation' title='Windows Vista Beta 2 Installation' />COMMINTF,                                   Class code. ABSTRACTCONTROLMODEL,                     Subclass code. V2. 5TER,                                     Protocol code. Dexter Optional Palm Program. Interface string index     CDC Class Specific DescriptorssizeofUSBCDCHEADERFNDSC, CSINTERFACE, DSCFNHEADER, 0x. USBCDCACMFNDSC, CSINTERFACE, DSCFNACM, USBCDCACMFNDSCVAL,sizeofUSBCDCUNIONFNDSC, CSINTERFACE, DSCFNUNION, CDCCOMM1INTFID, CDCDATA1INTFID,sizeofUSBCDCCALLMGTFNDSC, CSINTERFACE, DSCFNCALLMGT, 0x. CDCDATA1INTFID,     Endpoint Descriptor. USBEPDSCUSBDESCRIPTORENDPOINT,                    Endpoint DescriptorEP0. IN,                                   Endpoint. AddressINTERRUPT,                                 Attributes. Interval Endpoint Descriptor. USBEPDSCUSBDESCRIPTORENDPOINT,                    Endpoint DescriptorEP0. OUT,                                  Endpoint. AddressBULK,                                      Attributes. CDCDATAINEPSIZE,0x. Interval     Endpoint Descriptor. USBEPDSCUSBDESCRIPTORENDPOINT,                    Endpoint DescriptorEP0. IN,                                   Endpoint. AddressBULK,                                      Attributes. CDCDATAINEPSIZE,0x. This is IAD configuration which is OK. This means that for CDC 3 endpoints and one interface are used. Microsoft. The fiercely competitive software giant is positioning its wares for cloud computing with software and services. The companys two cash cows operating. Previous one that I was using had 3 endpoints and TWO interfaces additional interface descriptor for Data EP, this is solution that is used in some project that I have seen so I used it before this issue. It works fine with XP but no way to make it works on Win. I dont know what exactly causes this issue but I am for now satisfied with this solution. Download Realtek HD Audio Codec Driver 2. Windows Vista7810. OS support Windows 7810. Category Audio and Multimedia. You can even install Windows Vista with USB 2. All you need is a high speed 4GB flash memory only to create a bootable Windows Vista on. Free Download Microsoft Windows Installer 4. An application installation and configuration service that makes it possible for software develope. Why CDC Serial Device installation fails on Windows Vista and 7 Because of Microchips INF file bug, you may succeed or fail on installation of CDC device driver to.