You cannot connect to an Exchange Server 2010 mailbox by using a MAPI application when a Mailbox server and a Client Access server are installed on different computers

Symptoms

Consider the following scenario:

  • In a Microsoft Exchange Server 2010 environment, you have a Mailbox server and a Client Access server that are installed on different computers.

  • You have a mailbox that is located in a recovery database on the Mailbox server.

  • You try to connect to the mailbox by using a MAPI application, such as MFCMAPI.

In this scenario, you receive the following error message:


MAPI_E_FAILONEPROVIDER.

Resolution

To resolve this issue, install the following update rollup: 

2425179 Description of Update Rollup 2 for Exchange Server 2010 Service Pack 1

Status

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

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