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Article ID: 820536 - Last Review: June 20, 2014 - Revision: 2.0

 

Symptoms

When you use client-side code (the Document.Cookie property) to write cookies, and then use the same method to retrieve the cookies, you may receive an empty string or the following error message:
ERROR_INSUFFICIENT_BUFFER

Cause

This problem may occur if the total size of the cookies that are stored in your domain is 4,096 bytes or greater. This is a limitation in the current version of Mshtml.dll.

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

More information

To see that the cookies actually exist even though the Document.Cookie property cannot retrieve them, follow these steps:
  1. Start Internet Explorer.
  2. On the Tools menu, click Internet Options.
  3. On the General tab, click Settings.
  4. In the Settings dialog box, click View Files.
Keywords: 
kbprb KB820536
Retired KB ArticleRetired KB Content Disclaimer
This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.
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