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We have an IBM server in our research lab with Windows server 2008 R2 OS. Six users log in and use software like MATLAB or R and run their codes. When a bad program takes up too much RAM or CPU usage, the serve hangs and RDP disconnects. How do I solve this issue? I have enabled per_user resource management. But when 3 users all write code that require say, 3GB of memory, the problem still occurs. I believe I have to also limit the maximum usage permitted for all users.

Please advice.

Config: Windows Server 2008 R2 Proc: Intel Xeon E5-2640 (2 processors) RAM: 64 GB

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    Have you thought just adding RAM? It sounds from your numbers you run a larger desktop - not even a workstation. My smallest servers have 32gb memory and seriously, that did cost nearly nothing. – TomTom Jan 24 '14 at 8:07
  • Sorry, that was just an illustration. Its an enterprise server with intel Xeon E5 series processors and 64GB of RAM. – Samarth Bharadwaj Jan 24 '14 at 9:42
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Using the Windows System Resource Manager you can set limits for CPU and memory usage using rules which can specify process, user and group on Windows 2008 r2.

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    Thanks. I have put a per_user limit for both CPU and memory. Is there a way to cap the usage for all user processes, so that RDP is always functioning? – Samarth Bharadwaj Jan 24 '14 at 9:45
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To prevent RDP crash, you can add all the users to a group and limit RAM usage for that group with Resource Manager.

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