Parallels Desktop for Mac compatibility with macOS 11 Big Sur – Known and Resolved Issues

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As you probably know, a new Apple OS is expected this fall. For a few months already, Parallels engineers have been testing Parallels Desktop on macOS Big Sur Beta releases to make sure it fully supports macOS 11 Big Sur once this operating system is officially released.

Below is a list of detected issues. Most of them have been already resolved, some have workarounds and a few have not been fixed yet, but we’re trying hard to solve them.

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Known issues

Issue Workaround
macOS Big Sur as a host operating system

 1 

Parallels Desktop cannot be installed in macOS Big Sur Beta.

Fixed in 16.0.0 (Download)

 2 

Parallels Desktop does not start after upgrading a Mac to macOS Big Sur Beta.

Fixed in 16.0.0 (Download)

3

Macs with macOS Big Sur Beta 5 crash when a user starts a virtual machine.

Fixed in 16.0.1 (Download)

 4 After upgrading a Mac to Big Sur Beta 6, the "Network initialization failed" message appears when starting a virtual machine.
  1. Shut down the virtual machine and quit Parallels Desktop.
  2. Open Terminal (Applications > Utilities > Terminal), copy and paste the following command and press Enter:
    sudo rm /Library/Preferences/SystemConfiguration/NetworkInterfaces.plist && sudo killall -9 configd
     
  3. Then prompted, enter your Mac's password and press Enter (Terminal doesn't show the password as you type).
  4. Restart the Mac.
 5

Parallels Desktop freezes when opening Control Center or virtual machine configuration.

Fixed in 16.0.0 (Download)

 6

When trying to quit Parallels Desktop, it freezes.

Fixed in 16.0.0 (Download)

 7

Graphics artifacts appear in the background when a virtual machine is running in the Coherence view mode.

Fixed in 16.0.0 (Download)

 8

After upgrading a Mac to Big Sur, the "Unable to load the Parallels driver." message appears when starting a virtual machine.

  1.  Quit Parallels Desktop.
  2.  Open the macOS System Preferences > Security & Privacy > General and click Allow to enable  the Parallels International GmbH kernel extension.
  3.  Restart the Mac, launch Parallels Desktop and start the virtual machine.
 9

The "Deleting a snapshot…" window freezes each time a user tries to delete a snapshot.

Fixed in macOS Big Sur Beta 5

10

Parallels Desktop crashes after clicking "VM is ready" at the end of the virtual machine installation.

Fixed in 16.0.0 (Download)

11

Cannot type certain symbols in a virtual machine (e.g., 1, 2, T, Y, etc.).

Fixed in 16.0.0 (Download)

12

Parallels Tools do not install automatically in a Boot Camp-based virtual machine.

Click the Actions menu in the macOS menu bar and select Install Parallels Tools. Once the installation is finished, restart the virtual machine

13

A virtual machine crashes when a user logs in to Windows.

Fixed in 16.0.0 (Download)

macOS Big Sur as a virtual machine

 1

An existing macOS virtual machine cannot be upgraded to macOS Big Sur.

Fixed in macOS Big Sur Beta 4
Increase the disk size of an existing virtual machine to at least 128 GB (as described in the KB 112119) before upgrading it.

 2

Unable to install macOS Big Sur in a virtual machine from an .app file.

Fixed in 16.0.0 (Download)

 3

Installation Assistant shows the macOS Big Sur version incorrectly (as 10.16).

No workaround yet

 4

Unable to install macOS Big Sur in a virtual machine from the Recovery partition.

No workaround yet

 5

A virtual machine with macOS 11 Big Sur shows a black screen after the Parallels Tools reinstallation.

Fixed in 16.0.0 (Download)

 6

On Macs with the macOS version other than Big Sur, screen resolution of a newly created Big Sur virtual machine is set to 1024x768

No workaround yet

 7

Installation Assistant freezes when trying to create a virtual machine with macOS Big Sur Beta 5.

Fixed in macOS Big Sur Beta 6

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