While the appfabric 1.1 for windows server 64 msi download solves an immediate need for legacy applications, you should plan for migration. Microsoft ended mainstream support for AppFabric in 2016 and extended support in 2021. No security updates are forthcoming.

Consider these alternatives:

A common issue IT professionals face when searching for "AppFabric 1.1 for Windows Server 64 MSI download" is that the original Microsoft Download Center links have been deprecated or redirected.

Official Filename: AppFabric-KB2671763-x64-ENU.exe (Note: While the file extension is .exe, it acts as a wrapper around the MSI installer logic.)

Where to Download: The installer is currently hosted on the Microsoft Download Center under a specific Knowledge Base article.

Warning: Avoid downloading .msi files from third-party "DLL repository" sites. Always verify the digital signature of the file against Microsoft Corporation.

Microsoft AppFabric 1.1 for Windows Server is a set of integrated technologies that make it easier to build, scale, and manage Web and composite applications. While the technology is considered legacy (reaching the end of mainstream support in 2016), it remains a critical dependency for many enterprise applications, particularly those built on SharePoint Server 2013, SharePoint Server 2016, and older WCF/WF services.

This write-up details the necessary steps to locate the correct 64-bit MSI installer, install the prerequisites (specifically the Windows Server Manager component), and execute the installation.


Check legacy file shares, DevOps artifact feeds, or backup tapes labeled from ~2012–2016.

Before we dive into the download process, it is crucial to understand why the 64-bit version (as opposed to the 32-bit or "Any CPU" version) is necessary.

Critical System Requirement: AppFabric 1.1 requires .NET Framework 4.5 or 4.5.1 (or later within the 4.x family). You must install this before attempting the AppFabric installation.

Before downloading, ensure your environment matches these requirements:

| Requirement | Specification | | :--- | :--- | | OS | Windows Server 2008 R2 SP1, 2012, or 2012 R2 (64-bit only) | | RAM | Minimum 4 GB | | .NET Framework | .NET 3.5 SP1 and .NET 4.5 / 4.5.1 | | PowerShell | PowerShell 2.0 or 3.0 | | Architecture | x64 (x86 is not supported for server roles) |

Do not attempt to install AppFabric 1.1 on Windows Server 2016 or newer – it is unsupported and will likely break.