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- DOCUMENT:Q104181 22-NOV-1993 [W_NT]
- TITLE :Large File Copies May Fail After 4 Gigabytes in Windows NT
- PRODUCT :Windows NT
- PROD/VER:3.10
- OPER/SYS:WINDOWS
- KEYWORDS:buglist3.10 fixlist3.10.001
-
- ----------------------------------------------------------------------
- The information in this article applies to:
-
- - Microsoft Windows NT operating system version 3.1
- - Microsoft Windows NT Advanced Server version 3.1
- ----------------------------------------------------------------------
-
-
- SYMPTOMS
- ========
-
- When you copy a large file [greater than 4 gigabytes (GB) in size]
- between two Windows NT computers, the file may become corrupted on the
- destination computer.
-
- CAUSE
- =====
-
- This is caused by a problem with the Windows NT network redirector
- where, in extending the file after copying just less than 4 GB, the
- redirector actually truncates the file by using only the low part of
- the LARGE_INTEGER file size. The next write then time-outs because the
- server has to zero-extend the file, which takes more than 45 seconds.
-
- NOTE: Even if the time-out didn't occur, all of the data between the
- truncation point and 4 GB would be lost, which would be even worse.
-
- STATUS
- ======
-
- Microsoft has confirmed this to be a problem in Windows NT and Windows NT
- Advanced Server version 3.1. This problem was corrected in the latest U.S.
- Service Pack for Windows NT and Windows NT Advanced Server version 3.1. For
- information on obtaining the Service Pack, query on the following word in
- the Microsoft Knowledge Base (without the spaces):
-
- S E R V P A C K
-
- Additional reference words: 3.10
- KBCategory:
- KBSubcategory: filsys
-
- =============================================================================
-
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- 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 1993.