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Service Bus 1.1 for Windows Server is a legacy messaging platform that allows developers to run on-premises messaging capabilities similar to Azure Service Bus. While the standalone product is officially retired, it remains a critical component for environments running older versions of SharePoint or legacy .NET applications.
Formally supported on Windows Server 2008 R2 SP1, Windows Server 2012, and Windows Server 2012 R2. service bus 1.1 download
Developers looking for the client-side assemblies can use the ServiceBus.v1_1 NuGet package to build applications that communicate with the server. Support Lifecycle and Deadlines Service Bus 1
It is important to note that Service Bus 1.1 is in a transitionary support phase. According to the Microsoft Lifecycle Policy , standalone mainstream support ended in 2018. Developers looking for the client-side assemblies can use
Microsoft no longer provides a single "direct download" button for the full standalone installer on a dedicated product page. Instead, the software is primarily available through the or as specific update packages for existing installations.
Requires a SQL Server instance (SQL Server 2012 SP4 or later) to host the management and gateway databases.
You can download critical patches such as the Update for Service Bus Server 1.1 (KB3086798) from the Microsoft Download Center. These updates are essential if you are running .NET Framework 4.6 or higher, which otherwise causes the service to become unresponsive.
