Indicates that the object that represents an exception (including an orphan instance).
Long ID (LID):
A value of FALSE indicates that the object that represents a recurring series or a single instance. The absence of this property for any object indicates a value of FALSE except for the exception embedded message, which assumes a value of TRUE.
Provides property set definitions and references to related Exchange Server protocol specifications.
Specifies the properties and operations for appointment, meeting request, and response messages.
Provides data type definitions.