Microsoft Message Queuing

Microsoft Message Queue Server (MSMQ ) is Microsoft's implementation of a queue for Microsoft Windows operating systems.

Using this product can have two applications communicate with each other even if the other application is not reachable, for example because it is located on another computer that is not currently in operation. The data are stored and output when the other application is available again. This is, for example, for safety-critical applications important when messages must arrive in any case.

Only the first version of the Microsoft Message Queue Server was sold as a separate product. Since Windows 2000, the Message Queue Server component of the operating system.