Disable fair sharing in Windows Server

The post below will show how to disable fair sharing of CPU, disk and network in Windows Server 2012/2012R2. The post relies on information found in here and here.
It’s possible to disable it directly in the Windows Registry with the program RegEdit.exe or using PowerShell commands. Both approaches will be shown.
Disclaimer: Do a backup of Windows Registry in RegEdit.exe (File -> Export, remember to choose Export Range = All) before doing these changes!

It’s possible to disable fair sharing of the CPU using Regedit.exe. You have to change the value EnableCPUQuota from 1 to 0 (zero). NB! You change it by double-clicking on EnableCpuQuota. This value can be found in HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Quota Systemreg1

It’s possible to disable fair sharing of the disk using Regedit.exe. You have to change the value EnableFairShare from 1 to 0 (zero). This value can be found in
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\TSFairShare\Disk

reg2

It’s possible to disable fair sharing of the network using Regedit.exe. You have to change the value EnableFairShare from 1 to 0 (zero). This value can be found in
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\TSFairShare\NetFS

reg3

It is also possible to do this through PowerShell where you write the command below

This will give you a list of the settings for terminalservices as shown below. You are interested in EnableDFSS, EnableDiskFSS and EnableNetworkFSS. For some reason EnableNetworkFSS is not set here.

PSFairShare

To disable CPU fair sharing in PowerShell you write.

To disable disk fair sharing in PowerShell you write.

To disable network fair sharing in PowerShell you write.

7 thoughts on “Disable fair sharing in Windows Server

  1. Pingback: Windows 2012R2 slow and slow VFP (Visual FoxPro databases)

  2. Thanks for these tips.
    On my server I did not find those registry entries.
    I tried turning off FSS via Powershell but the commands I ran did not take effect. Running PS with as Administrator too.
    What might be wrong?

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