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Transfer-Chunk Encoding (Including ASP) May Cause 800c0008 Error

The information in this article applies to:

  • Microsoft Internet Explorer for Windows 95
  • Microsoft Internet Explorer for Windows NT 4.0


When you use Microsoft Internet Explorer (IE) version 4.0 to browse web pages that use transfer-chunk encoding, such as Active Server Pages (ASP), a pop-up may occur that contains the following error message:

IE cannot open site http://<address>.
Could not complete the operation due to error 800c0008.


This problem is related to HTTP 1.1 transfer-chunk encoding. While there is currently no client-side fix for this, Web servers can be configured to disable transfer-chunk encoding, although doing so is not recommended.

To disable transfer-chunk encoding in Internet Information Server (IIS), which runs on Windows NT only, modify the ASP EnableChunkedEncoding registry parameter as follows.

Note: This will have a small negative performance impact on all ASP access to the computer.

WARNING: Using Registry Editor incorrectly can cause serious, system-wide problems that may require you to reinstall Windows NT to correct them. Microsoft cannot guarantee that any problems resulting from the use of Registry Editor can be solved. Use this tool at your own risk.

Start Registry Editor, and create the following ASP registry value in:


Value Name: EnableChunkedEncoding
Data Type:  REG_DWORD
Data:       0 

Setting the EnableChunkedEncoding value to 0 will disable transfer-chunk encoding.



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