DOCUMENT:Q256978 31-JUL-2001 [winnt] TITLE :Bandwidth Leak with IEEE 1394 Video Capture PRODUCT :Microsoft Windows NT PROD/VER:WINDOWS: OPER/SYS: KEYWORDS:kbDDK kbOSWin2000fix kbVideo kbDSupport kbGrpDSNTDDK kbWin2000PreSP1Fix kbWinNT400PreSP ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Windows 2000 Advanced Server - Microsoft Windows 2000 Server - Microsoft Windows 2000 Professional ------------------------------------------------------------------------------- SYMPTOMS ======== While you are capturing video data by using an Institute of Electrical and Electronics Engineers (IEEE) 1394 device, you may receive the following error message: Insufficient system resources exist to complete the API CAUSE ===== While you are capturing or previewing video data, if you stop and restart the video stream more than 20 times, you may receive the error message that is shown in the "Symptoms" section. This problem is caused by a bandwidth leak in the IEEE 1394 bus and video drivers. RESOLUTION ========== To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base: Q260910 How to Obtain the Latest Windows 2000 Service Pack STATUS ====== Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. Microsoft has confirmed that this is a problem in Windows NT 4.0. This problem was first corrected in Windows 2000 Service Pack 1. MORE INFORMATION ================ This problem may not appear if you disconnect and then reconnect the IEEE 1394 device in between attempts to capture or preview video data, effectively making a bus reset. Also, the problem may arise only if the video device is the Isochronous Resource Manager (IRM). Once you receive this error, you won't be able to restart the video capture. Additional query words: IEEE 1394 msdv ====================================================================== Keywords : kbDDK kbOSWin2000fix kbVideo kbDSupport kbGrpDSNTDDK kbWin2000PreSP1Fix kbWinNT400PreSP7Fix kbWin2000sp1Fix kbVideoTech Technology : kbwin2000AdvServ kbwin2000AdvServSearch kbwin2000Serv kbwin2000ServSearch kbwin2000Search kbwin2000ProSearch kbwin2000Pro kbWinAdvServSearch Version : WINDOWS: Hardware : x86 Issue type : kbbug Solution Type : kbfix ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2001.