- You enable the Exchange store tracing feature for the tagMtgMessageChange or tagCalendarChange tags on a Microsoft Exchange Server 2007 mailbox server.
- You access a mailbox by using a MAPI application.
- The application sets properties on a message by using the SetProps method, and then it calls the�SaveChanges method to commit the change.
- The MAPI application calls the GetProps�method to obtain a sender�s properties. For example, the application calls the�PR_SENDER_ENTRYID property.
MAPI_E_NOT_FOUND