The account test process is failed when you try to configure an Outlook 2007 client to connect to an Exchange Server 2007 mailbox by using a POP3 connection or an IMAP4 connection

You try to configure a Microsoft Office Outlook 2007 client to connect to a Microsoft Exchange Server 2007 mailbox by using a POP3 connection or an IMAP4 connection. You enter the required information and then click Test Account Settings. When you do this, the account test process is failed.

Additionally, the following error message is listed on the Errors tab in the Test Account Settings dialog box:

This problem occurs because Exchange Server 2007 disconnects POP3 and IMAP4 sessions after three failed logon attempts.

To resolve this problem in Exchange Server 2007 Service Pack 1, install Update Rollup 1 for Exchange Server 2007 Service Pack 1. For more information about Update Rollup 1 for Exchange Server 2007 Service Pack 1, see the following Exchange Help topic: To resolve this problem in the release version of Exchange Server 2007, install Update Rollup 6 for Exchange Server 2007. For more information about Update Rollup 6 for Exchange Server 2007, see the following Exchange Help topic: For more information about how to obtain the latest Exchange service pack or update rollup, see the following Exchange Help topic:

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

For more information, click the following article numbers to view the articles in the Microsoft Knowledge Base: