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IIS Informant: Updating IE can Cause IIS Conflicts

We recently upgraded our IIS servers from Microsoft Internet Explorer (IE) 5.01 Service Pack 2 (SP2) to IE 6.0. Immediately afterward, we started having problems with database connectivity. Are the problems just a coincidence, or can an IE update affect how IIS operates?

The problems aren't a coincidence. When you update IE on a server, you're updating not only the browser but other features and services, some of which can involve IIS. Updating IE certainly involves changes to XML support, which can affect Web applications that use XML. IE updates also update the VBScript and JScript scripting engines. And when you update IE on a system with IIS, you also update IIS scripting capabilities. You can find information about the various scripting-engine versions and their differences at

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