Gets or sets a Uri that identifies a custom dead-letter queue where expired messages or messages that failed to be delivered are sent.
Assembly: System.ServiceModel (in System.ServiceModel.dll)
A dead-letter queue is a queue managed by the sending application's queue manager that stores messages that have failed to be delivered or have expired. The property allows you to specify a custom dead-letter queue rather than using the default system-wide dead-letter queue.
The URI that is specified by must use the net.msmq scheme.
The property can be set only on operating systems starting with Windows Vista.