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Links in OWA are filtered through a server-side script. &nbsp;In OWA 2003 (I assume this is what you have), the script name is redir.asp . &nbsp;Your user is probably having to log in to access it. &nbsp;See if you can find it in IIS Manager. &nbsp;It is in a directory named (I think) exchweb/bin . &nbsp;The folder exchweb usually has anonymous access enabled in IIS Manager, and the bin folder usually inherits the same setting. &nbsp;See if this matches what you find in IIS Manager.
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I've gotten as far as determining that the problem is not with her machine, but with her profile. &nbsp;No one else has this problem, but she has the same problem on any machine she uses. &nbsp;The Exchange server is not under my control, and so I've bumped the problem up to the people who can look at it from the server side.<br />

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You really need to see the IIS Log file from the OWA server, so that you can tell if my theory regarding the redir.asp file is correct.
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The server is hosted at another company - I don't have access to it. &nbsp;I'll have to wait to see what the people there say.
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One of my OWA users is unable to follow links to websites from her email messags. &nbsp;When she clicks on a link, she get an ID/Password prompt, and then says &quot;Access Denied&quot;. &nbsp;This appears to be a problem with the particular computer that she is using. &nbsp;What could be causing this?
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One of my OWA users is unable to follow links to websites from her email messags.  When she clicks on a link, she get an ID/Password prompt, and then says "Access Denied".  This appears to be a problem with the particular computer that she is using.  What could be causing this?

Links to websites not working from OWA

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

An email client, email reader or more formally mail user agent (MUA) is a computer program used to access and manage a user's email. A web application that provides message management, composition, and reception functions is sometimes also considered an email client, but more commonly referred to as webmail.