QoS settings not working in Windows Server, Windows 10/11

You need to carry out the following suggestions: When you change QoS settings, and the changes don’t apply, here is what you can do to fix it. The QoS policy settings are available under Group Policy Settings. Type gpedit.msc in the Run prompt & hit Enter to open the Group Policy Editor. Next, navigate to:

This post on microsoft.com will guide you on this issue.

1] Reboot the computer

The first thing you need to check is if you changed settings under Computer Configuration or User Configuration. If it’s computer configuration, make sure to reboot. If you applied it to the user, make sure to log off and log on the user back.

2] Local (LGPO) vs Group (GPO) Policy

Double-check if there is a similar group policy that is preceding over. It will need a bit of searching, but they must be located around the same configuration.

3] KByte vs Kbit

If you are creating a new QoS policy, do note that the Policy Wizard uses KByte as the denominator, but we usually talk in terms of Kbit. Make sure there is no mismatch on that. Policy GUI wizard use KByte and usually we’re talking about KBit. If you run the command “Get-NetQosPolicy”  in PowerShell, look at the details of Throttle rate, and it must be in KBits/s. Lastly, QoS policies must be applied to both sending and receiving computers for the actual effects to take place. If you have a network of computer, make sure to apply them to all to get the real impact. All the best!

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