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Without knowing what server is asking for the details, it is hard to know. <br />
What version of Exchange are you using? It could be autodiscover that is causing the problem. <br />
<br />
Simon. 
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Without knowing what server is asking for the details, it is hard to know.
What version of Exchange are you using? It could be autodiscover that is causing the problem.

Simon.

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Supposedly Exchange 2003 running on SBS03 is asking for the credentials.
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Supposedly Exchange 2003 running on SBS03 is asking for the credentials.

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One of our Exchange users reports that every so often an input box to enter in a username and password pops up while he is connected, or has been connected, to our Exchange server. He connects to the Exchange server via remote VPN to a PIX. He says if he closes Outlook and reopens it, everything is fine. When he gets the credential popup, he cannot send or receive email.
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One of our Exchange users reports that every so often an input box to enter in a username and password pops up while he is connected, or has been connected, to our Exchange server. He connects to the Exchange server via remote VPN to a PIX. He says if he closes Outlook and reopens it, everything is fine. When he gets the credential popup, he cannot send or receive email.

Outlook 2007 &amp; Exchange | Input for Credentials popping up

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

Microsoft Outlook is a personal information manager from Microsoft, available as a part of the Microsoft Office suite. Although often used mainly as an email application, it also includes a calendar, task manager, contact manager, note-taker, journal, and web browser.

Outlook

An email client, email reader or more formally mail user agent (MUA) is a computer program in the category of groupware environments used to access and manage a user's email. A web application that provides message management, composition, and reception functions may internally act as an email client; as a whole, it is commonly referred to as webmail. Likewise, email client may be referred to a piece of computer hardware or software whose primary or most visible role is to work as an email client. Email clients can also have other systems, like calendars, notes and contact managers.

Outlook 2007 &amp; Exchange | Input for Credentials popping up

Outlook 2007 & Exchange | Input for Credentials popping up