Internet Explorer error "connection timed out" when server does not respond within five minutes
This article was previously published under Q181050 SYMPTOMS When you connect to a Web site that runs for a period of
time before it returns information to Internet Explorer, you may receive one of
the following error messages. Message 1 Microsoft Internet
Explorer error 10060 connection timed out. Message 2 Internet Explorer cannot open the Internet
site <Web address>. The operation timed out. Message 3CAUSE By design, Internet Explorer imposes a time-out limit for
the server to return data. The time-out limit is five minutes for versions 4.0
and 4.01 and is 60 minutes for versions 5.x and 6.
Also, the time-out limit is 30 seconds for Windows Internet Explorer 7. As a result, Internet Explorer does not wait endlessly for the server to come
back with data when the server has a problem. RESOLUTION In general, if a page does not return within a few minutes,
many users perceive that a problem has occurred and stop the process.
Therefore, design your server processes to return data within 5 minutes so that
users do not have to wait for an extensive period of time. You can usually break down long processes into smaller pieces, or the server can return status data to update users (and Internet Explorer) on the process status. In addition, you can create a long server process with a messages-based or asynchronous approach so that it returns immediately to the client after the job is submitted and notifies users when the long process is done. MORE INFORMATIONImportant This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base: 322756 (http://support.microsoft.com/kb/322756/) How to back up and restore the registry in Windows Although Microsoft does not encourage this approach, you can change the default time-out setting for Internet Explorer. To do this in Internet Explorer 4.01 Service Pack 1 or later, follow these steps:
REFERENCESFor more information about developing Web-based solutions for Microsoft Internet Explorer, visit the following Microsoft Web sites: http://msdn.microsoft.com/ie/ (http://msdn.microsoft.com/ie/) http://support.microsoft.com/iep (http://support.microsoft.com/iep) APPLIES TO
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