Microsoft KB Archive/840139

= Long upload times to a Web page through Internet Explorer 6 =

Article ID: 840139

Article Last Modified on 8/29/2007

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APPLIES TO

 Microsoft Internet Explorer 6.0, when used with:  Microsoft Windows XP Professional

 Microsoft Windows 2000 Standard Edition 

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SYMPTOMS
It may take longer than expected to upload a large file to a Web site. The upload operation may time out if are trying to upload a very large file.



CAUSE
This problem may occur if all the following conditions are true:
 * You have installed the security update that is described in Microsoft Security Bulletin MS04-004.
 * The Web page that you are uploading the file to uses the SSL protocol, and the URL starts with &quot;https&quot;.
 * The Web page is an active server page or uses scripts to process the uploaded file.



WORKAROUND
You may be able to work around this problem by configuring Internet Explorer to increase the Winsock Send buffer size on the client computer. Configure a 64-KB buffer size to work around this problem.

For more information about how to increase the Winsock Send buffer size, click the following article number to view the article in the Microsoft Knowledge Base:

329781 HTTP file upload operation takes a long time to complete

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Security update MS05-025
To resolve this problem, you can install the cumulative security update MS05-025. The hotfix for this issue was included in the security update. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

883939 MS05-025: Cumulative security update for Internet Explorer

Hotfix information
A supported hotfix is now available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next service pack that contains this hotfix.

To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:

http://go.microsoft.com/?linkid=6294451

Note If additional issues occur or any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. To create a separate service request, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

The English version of this hotfix has the file attributes (or later file attributes) 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. <pre class="fixed_text">  Date         Time   Version        Size     File name ---  05-May-2004  11:55  6.0.2800.1425  571,904  Wininet.dll

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STATUS
Microsoft has confirmed that this is a problem in Microsoft Internet Explorer 6.

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