Microsoft KB Archive/220905
Article ID: 220905
Article Last Modified on 10/28/2006
- Microsoft Exchange Server 5.5 Standard Edition
- Microsoft Windows CE 3.0 for the Handheld PC
- Microsoft Windows CE 3.0 for the Handheld PC 2000
This article was previously published under Q220905
When you attempt to retrieve mail from a Microsoft Exchange Server computer version 5.5 mailbox by means of Internet Message Access Protocol 4 (IMAP4) using the Inbox client included with the Windows CE Handheld PC Professional Edition, Windows Pocket PC with Windows CE, or Windows CE for the Handheld PC 2000, you may receive the following error message:
In addition, the following events may appear in the application event log:
You are attempting to access a mailbox that requires a clear-text password with Windows NT Challenge/Response (NTLM) authentication enabled.
Or, you are using ANSI characters in your password.
To resolve this issue, you have one of two options:
- Configure the Windows CE Inbox client's IMAP4 service wizard (on page 1 of 3) to use only clear-text passwords. To do this, you need to leave the Domain field in the Optional section blank, and populate the User ID field using the following syntax:
For example: If the Windows NT domain is Domain1 Windows NT account is User1 and the Exchange mailbox alias is U1, then the User ID field would be similar to the following:
- Request your network or e-mail administrator to change the Exchange mailbox alias to match your Windows NT account.
Do not use ANSI characters in your password. An example of such an invalid password occurs when you combine certain key strokes to use characters in the ASCII extended character set, for example, when you hold down the ALT key while you type 23456 on the numeric keypad of your keyboard.
When the optional Domain field on page 1 of the Windows CE Inbox IMAP4 service wizard is populated, it forces the client to use Windows NT Challenge/Response authentication. By leaving this field blank, the client uses a clear-text password.
This article also applies to the Windows CE Inbox POP3 service wizard, although the errors and event IDs may differ.
This is by design.
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Keywords: kbprb KB220905