You Receive Error Messages When You Try to Open a Microsoft Exchange Server Folder in Entourage X for Mac (824887)

SYMPTOMS

If one of the following situations is true

You configure a Microsoft Exchange account in Microsoft Entourage X for Mac.

-or-
You try to open a Microsoft Exchange server folder.

you may receive one of the following error messages:

An error Occurred on the IMAP server.
Invalid account or password. Check your account settings.
Error -11003

-or-
An error Occurred on the IMAP server.
The Specified Server could not be found.
Error -3260

-or-
Mail could not be retrieved at this time.
A connection failure has occurred.
Error -3260

CAUSE

This problem occurs if any of the following conditions are true:

The Exchange account is not configured correctly.

-or-
There is a problem with the Microsoft Exchange server. For example, either the Internet Message Access Protocol version 4 (IMAP4) or the Microsoft Exchange Information Store services is not running.

-or-
There is a network configuration problem that is preventing communication with the Exchange server.

WORKAROUND

To work around this problem, verify that the Exchange account settings are correct, that the network configuration is correct, and that the Exchange server is operating correctly with all the required services running.

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.