184.108.40.206.2.4 Finding the Message
To find the message, the client performs the following steps:
The client opens the SCHEDULE+ FREE BUSY folder that is specified by the PidTagSchedulePlusFreeBusyEntryId property (section 220.127.116.11).
The client opens the specific folder for this user by using the name that is derived as specified in section 18.104.22.168.2.2. For details about opening a folder, see [MS-OXCFOLD].
The client finds the specific free/busy message for this user by finding the message in which the value of the PidTagSubject property ([MS-OXPROPS] section 2.1023) equals the subject that is derived as specified in section 22.214.171.124.2.3. For details about how to find a message that matches a subject, see [MS-OXCTABL].