DOCUMENT:Q257619 08-MAY-2002 [iis] TITLE :Access Violation When Path/File Name Is More Than 260 Characters PRODUCT :Internet Information Server PROD/VER:winnt:4.0,5.0 OPER/SYS: KEYWORDS:kbWin2000PreSP1Fix kbWinNT400PreSP7Fix kbWin2000sp1Fix ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Internet Information Server version 4.0 - Microsoft Internet Information Services version 5.0 ------------------------------------------------------------------------------- SYMPTOMS ======== If a long path or file name (more than 260 characters) is used in the directive in an ASP page, IIS generates an Access Violation error message. CAUSE ===== The buffer allocated for the file name is 260 characters long. Therefore, a file name that is more than 260 characters causes a buffer overflow and an Access Violation error message to occur. RESOLUTION ========== Windows 2000 ------------ 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 Windows NT 4.0 -------------- A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem. To resolve this problem, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site: http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question. The English version of this fix for Windows NT 4.0 should have the following file attributes or later: Date Time Version Size File name Platform ------------------------------------------------------- 01/03/00 01:45p 4.2.737 329,024 Asp.dll x86 01/03/00 01:45p 4.2.737 550,160 Asp.dll Alpha STATUS ====== Windows 2000 ------------ Microsoft has confirmed that this is a problem in Windows 2000. This problem was first corrected in Windows 2000 Service Pack 1. Windows NT 4.0 -------------- Microsoft has confirmed that this is a problem in Windows NT 4.0. MORE INFORMATION ================ A fix has been added to check the file-name length. If the file name is more than 260 characters, a "Include file not found" error message is returned to the browser. Additional query words: ====================================================================== Keywords : kbWin2000PreSP1Fix kbWinNT400PreSP7Fix kbWin2000sp1Fix Technology : kbiisSearch kbiis500 kbiis400 Version : winnt:4.0,5.0 Hardware : ALPHA 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 2002.