SUMMARY
When you use Microsoft Windows HTTP Services (WinHTTP) in a program across a slow network, you may receive the following access violation error message:
*** WinHttp Assertion failed: error == ERROR_SUCCESS && fsm.m_dwBytesRead - fsm.m_nBytesCopied == dwChunkBytesRead
*** Source file: c:\svr03\inetcore\winhttp\v5.1\http\read.cxx
*** Source line: 845
*** Thread 00000ff8
RESOLUTION
Hotfix information
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Windows Server 2003 service pack that contains this hotfix.
To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:
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.
Prerequisites
No prerequisites are
required.
Restart requirement
You must restart your computer after you apply this hotfix.
Hotfix replacement
information
This hotfix does not replace any other hotfixes.
File information
The English version of this hotfix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the
Time Zone tab in the Date and Time tool in Control Panel.
IA-64
Date Time Version Size File name
--------------------------------------------------------------
04-Mar-2004 18:36 5.2.3790.137 909,824 Winhttp.dll
x86
Date Time Version Size File name
--------------------------------------------------------------
04-Mar-2004 18:32 5.2.3790.137 337,920 Winhttp.dll