DOCUMENT:Q154028 06-MAY-1999 [iis] TITLE :100% CPU Usage When FTP Clients Connect to IIS PRODUCT :Internet Information Server PROD/VER:1.0 OPER/SYS: KEYWORDS:kbenv ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Internet Information Server 1.0 ------------------------------------------------------------------------------- SYMPTOMS ======== FTP clients may be sluggish or appear to hang and the CPU usage may rise to 100% and remain at 100% until the FTP service is stopped and restarted. Macintosh FTP clients (for example, Mac Fetch) may also appear to hang. CAUSE ===== This problem appears when a Macintosh Volume is applied to a directory that is also used by the IIS FTP service. WORKAROUND ========== Move the Macintosh volume to another directory that is not used by FTP. If non-FTP Macintosh clients still need to access the data in the original directory, directory replication can be used to synchronize the files with another directory that is used by the FTP service. STATUS ====== Microsoft has confirmed this to be a problem in Microsoft Internet Information Server version 1.0c. This problem was corrected in Microsoft Internet Information Server 2.0. Additional query words: slow stop ftp ====================================================================== Keywords : kbenv Technology : kbiisSearch kbiis100 Version : 1.0 ============================================================================= 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 1999.