Migration fails when you use the Exchange Migration Wizard to migrate mailboxes from an IMAP4 server to Exchange Server 2003

When you use the Exchange Migration Wizard to migrate mailboxes from an Internet Message Access Protocol version 4rev1 (IMAP4) server to a server that is running Microsoft Exchange Server 2003, the migration fails. Additionally, an event that is similar to the following is logged in the Application log on the Exchange server:

Event ID : 14001
Category : None
Source : MSExchangeMig
Type :Error
Message : Error interpreting response from IMAP server.

Note The migration fails for some mailboxes.

This problem occurs if a mailbox has a structure that contains multiple folders.

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

You must install Microsoft Exchange Server 2003 Service Pack 1 (SP1) before you apply the hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

Restart requirement

You do not have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfix.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

To resolve this issue for an Exchange 2003 Server Service Pack 2 (SP2) computer, apply the latest post-SP2 hotfix for the Exchange Server Migration Wizard. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

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

For more information about the terminology that Microsoft uses for software that is corrected after it is released, click the following article number to view the article in the Microsoft Knowledge Base: For more information about the new naming schema for Exchange Server software updates, click the following article number to view the article in the Microsoft Knowledge Base: