A complete guide is available here. One thing they forgot to mention is the first time you start MFCMAPI.exe:
1. On the Tools menu, click Options.
2. Click to enable "USE MDB_ONLINE when calling OpenMsgStore".
3. Click OK.
1. On the Tools menu, click Options.
2. Click to enable "USE MDB_ONLINE when calling OpenMsgStore".
3. Click OK.