Unfortunately, the latter currently does not support TPM passthrough ( coming soon), meaning you cannot create a Windows 11-compatible VM.VMware Workstation Pro is a software that allows you to use one desktop computer to run multiple OSs without installing them on your PC. It was also possible to run Windows 11 in VirtualBox. If using Windows 11 on a virtual machine in VMWare is not your cup of tea, we have a dedicated guide about installing Windows 11 using Hyper-V. Now you can launch your virtual machine and enjoy the restored performance. That is how you disable side-channel mitigations in VMWare Player to fix lags in Windows 11-based virtual machines.
Add the following line to the list of parameters: ulm.disableMitigations="TRUE".Enable extensions for files in Windows 11 and Windows 10, then find the VMX file (virtual machine configuration file).Go to the folder where you keep your virtual machine.Shut down your Windows 11 VM and close VMWare Player.Disable side-channel mitigations in VMWare Player Learn how to enable or disable Hyper-V in Windows here. Note that the message with a recommendation to disable side-channel mitigations appears only on systems with Hyper-V enabled. The software will warn you about potential performance downgrades when using a virtual machine with side-channel mitigations.īut the problem is that VMWare Player does not provide an option to disable side-channel mitigations in the settings UI (similar to how it does not allow you to add a Trusted Platform Module inside settings for a specific VM).įortunately, you can fix poor performance in Windows 11 running in VMWare Player by disabling side-channel mitigations in the machine's configuration file. You might encounter one particular issue when running a Windows 11-based virtual machine in VMWare Player.
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