Error: MAPI_E_LOGON_FAILED (80040111) Using CDO

ID: Q181739

The information in this article applies to:

• Collaboration Data Objects (CDO), versions 1.1, 1.2, 1.21

SYMPTOMS

This article discusses some of the causes and resolutions for the following error messages:

   Collaboration Data Objects error '000004f9'
   The information store could not be opened.
   [MAPI 1.0 - [MAPI_E_LOGON_FAILED(80040111)]]

   -or-

   401.1 Unauthorized: Logon Failed

CAUSE

Here are four possible reasons for this error:

1. You are trying to access a mailbox that does not exist or you are using

   invalid logon information.

3. If you are running code in an Active Server Page (ASP), you may have

   insufficient rights on the Microsoft Internet Information Server (IIS)
   computer.

   Information Server (IIS) version 4.0 to authenticate the Anonymous User
   specified in IIS.

RESOLUTION

The following resolutions match the causes listed in the CAUSE section.

1. If you are passing a profile name in your logon line, make sure the

   profile exists on the computer where the logon line runs. For a
   Visual Basic application running on a client, the profile must exist on
   the client running the application. If you are running a Web
   application, you should use the ProfileInfo parameter on the Logon
   method to create a profile programmatically instead of specifying a
   profile name.

   When logging on to a mailbox from a server application (for example, an
   ASP running under IIS), be sure that you pass "False" for the ShowDialog
   parameter. Failure to do so could result in a MAPI_E_LOGON_FAILED error
   if you pass any invalid parameters.

   If you are passing a ProfileInfo as part of your logon line, check the
   name of the mailbox and Exchange server to make sure they exists, and
   that the Exchange server is up.

   NOTE: The Logon method can succeed even when using a resource that does
   not exist or invalid parameters. When you attempt to use a server
   resource (for example, an Outbox or an Inbox) for the first time, you
   get the error shown in the SYMPTOMS section. To verify that you have
   logged onto a valid Exchange mailbox, check the CurrentUser property of
   the CDO Session object. This does not verify your permissions to that
   mailbox.)

   someone that has an account on the Windows NT Domain, or someone that
   has logon permissions to that mailbox.

   Locally" rights to the IIS computer. The account must be granted this
   right explicitly, or be part of a local group that has "Log on Locally"
   rights. These rights are granted through the "User Manager" on the IIS
   computer.

   that allows for password synchronization between IIS 4.0 and the
   computer user accounts. Password synchronization should only be used
   with user accounts defined on the local computer, not with user accounts
   on remote computers. This feature will not work to authenticate an
   anonymous user to a remote Exchange server.

   To turn off password synchronization, use the following steps:

      a. Right-click the virtual directory in question.

      b. Select Properties.

      c. Select the Directory Security tab.

      d. Select "Allow Anonymous Access".

      e. Choose "Edit".

      f. Clear the "Enable Automatic Password Synchronization" option
         button.

      g. Choose OK twice and then click Apply to save the settings.

Keywords          : kbole kbCDO kbCDO110 kbCDO120 kbCDO121 kbMsg 
Version           : WINDOWS:1.1,1.2,1.21
Platform          : WINDOWS
Issue type        : kbprb

Last Reviewed: January 5, 1999