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Performance Tuning
Depending on the application of the user's system, it may be necessary to modify the default 
configuration of network adapters based on the ConnectX® adapters. In case that tuning is required, 
please refer to the Performance Tuning Guide for Mellanox Network Adaptersat https://
community.mellanox.com/docs/DOC-2489.
Windows Driver Installation
For Windows, download and install the latest Mellanox WinOF-2 for Windows software package 
available via the Mellanox web site at: http://www.mellanox.com> Products > Software > Ethernet 
Drivers > Download. Follow the installation instructions included in the download package (also 
available from the download page).
Software Requirements
Description Package
Windows Server 2012 R2 MLNX_WinOF2-2_10_All_x64.exe
Windows Server 2012
Windows Server 2016
Windows Server 2019
Windows 8.1 Client (64 bit only)
Windows 10 Client (64 bit only)
Note: The Operating System listed above must run with administrator privileges.
Downloading Mellanox WinOF-2 Driver
To download the executable file according to your operating system, please follow the steps below:
Obtain the machine architecture.
To go to the Start menu, position your mouse in the bottom-right corner of the Remote 
Desktop of your screen.
Open a CMD console. (Click Task Manager > File > Run new task, and enter CMD.)
Enter the following command.
echo %PROCESSOR_ARCHITECTURE%
The snapshots in the following sections are presented for illustration purposes only. The 
installation interface may slightly vary, depending on the operating system in use.
On an x64 (64-bit) machine, the output will be “AMD64”.