Sudo rm /Library/Preferences/SystemConfiguration/ist Perform the same for the command below and restart Mac afterward:.When prompted, enter your Mac's password and press Enter (Terminal doesn't show the password you type).Open Terminal ( Applications > Utilities > Terminal), copy and paste the following command, and press Enter:.Shut down the virtual machine and quit Parallels Desktop.Restart the Mac and start Parallels Desktop and virtual machine again.Īfter upgrading macOS to Big Sur, virtual machine automatically suspends on Macs with Intel HD 5xxx/5xx graphics cardsĪfter upgrading a Mac to Big Sur Beta 6, the 'Network initialization failed' message appears when starting a virtual machine.Go to System Preferences > Security & Privacy > General, then click Allow button and enable (re-enable) Parallels International GmbH kernel extension.Click OK in the notification from macOS about kernel extensions.

Remove all third-party kernel extensions from the /Library/Extensions/ folder.Go to Hardware > CPU & Memory > Advanced Settings.Macs with macOS Big Sur Beta 5 crash when a user starts a virtual machine.Īfter upgrading Mac to Big Sur the notification 'To start the virtual machine, please restart your Mac first.' appears on attempt to start a virtual machine Parallels Desktop does not start after upgrading a Mac to macOS Big Sur Beta. Parallels Desktop cannot be installed in macOS Big Sur Beta. Older Parallels Desktop versions only partially support working on macOS Big Sur due to technical reasons may experience the issues below depending on the configuration.Ĭlick Get updates to subscribe to this article to be immediately notified on us fixing these few remaining issues. Most of issues we ran into have been resolved, some have workarounds, and there are just few we’re still working hard on to resolve. Parallels engineers have been putting thousands of hours into Parallels Desktop 16 for Mac development and testing to make sure it fully supports macOS 11 Big Sur.

Mac os 11.5