OLEXP: Error Message: "Unable to Poll for New Messages" When You Use Hotmail with Outlook Express
This article was previously published under Q259133 For information about the differences between Microsoft Outlook Express and Microsoft Outlook e-mail clients, click the following article number to view the article in the Microsoft Knowledge Base: 257824 (http://support.microsoft.com/kb/257824/EN-US/) OL2000: Differences Between Outlook and Outlook Express SYMPTOMS
When you use your Hotmail account with Outlook Express, you may receive the following error message:
Unable to poll for new messages on your Http server. Account: 'Hotmail', Server:'http://services.msn.com/svcs/hotmail/httpmail.asp' CAUSE
Your local area network (LAN) or Internet service provider (ISP) proxy server or firewall does not recognize Web Distributed Authoring and Versioning (WebDAV) extensions. This prevents Hypertext Transfer Protocol (HTTP) e-mail messages from working correctly.
WORKAROUND
If you have manually configured your browser to use proxies, and you can still access the Web with proxy servers disabled, you may be able to exclude the HTTP mail servers from your proxy configuration. To exclude the HTTP mail server:
MORE INFORMATION
HTTP mail is based on WebDAV extensions to the HTTP protocol. For more information about WebDAV extensions, see the following Web sites:
http://www.webdav.org (http://www.webdav.org)
Some commercially available proxy servers do not recognize the WebDAV extensions. This prevents HTTP mail from working correctly. For more information about this problem, refer the following Web site:
Request For Comments (RFC) 2518: ftp://ftp.isi.edu/in-notes/rfc2518.txt (ftp://ftp.isi.edu/in-notes/rfc2518.txt) http://www.webdav.org/other/proxy.html (http://www.webdav.org/other/proxy.html) APPLIES TO
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