Consider the following scenario:
MAPI_E_FAILONEPROVIDER.
- 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.
MAPI_E_FAILONEPROVIDER.