WEB TABLE 1: ExchangeQueueProvider and ExchangeQueue2Provider and Their Supported Classes
Provider Name (Namespace)	Provider Classes	Description
Exchange 2000
ExchangeQueueProvider	ExchangeLink	Has properties that return information about message-handling links between mail servers. A link can contain zero or more ExchangeQueue objects, depending on the current message traffic along the link. In ESM, these links are called queues.
	ExchangeQueue	Has properties that return information about the dynamic queues created to transfer individual mail messages between mail servers. Is part of an ExchangeLink. ExchangeQueue objects aren’t the same as the queues listed in ESM.
Exchange 2003
ExchangeQueue2Provider (Root\MicrosoftExchangeV2)	Exchange_QueueCacheReloadEvent	Provides information about when the queue's cache was reloaded.
	Exchange_SMTPLink	Provides methods for controlling an Exchange link. Inherits Exchange_Link class properties.
	Exchange_X400Link	Provides methods for controlling an Exchange link. Inherits Exchange_Link class properties.
	Exchange_QueueX400VirtualServer	Returns properties for X400 queue virtual servers. Inherits Exchange_QueueVirtualServer class properties.
	Exchange_QueueSMTPVirtualServer	Returns properties for SMTP queue virtual servers. Provides two methods. Inherits Exchange_QueueVirtualServer class properties.
	Exchange_QueuedX400Message	Provides methods to work with Exchange messages currently in an X400 queue.
	Exchange_QueuedSMTPMessage	Provides methods to work with Exchange messages currently in an SMTP queue.
	Exchange_SMTPQueue	Returns properties for SMTP queues. Inherits Exchange_Queue class properties.
	Exchange_X400Queue	Returns properties for X400 queues. Inherits Exchange_Queue class properties.