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Cannot start Virtual Machine after upgrading my Mac to OS X Mavericks. Virtualization support is disabled.

APPLIES TO:
  • Parallels Desktop 9 for Mac
  • Parallels Desktop 8 for Mac
  • Parallels Desktop Enterprise

Symptoms

On attempting to run your Virtual Machines on OS X 10.9 Mavericks these messages may appear:

    Your virtual machine may run slow because virtualization support is disabled on your Mac

    The virtual machine performance may be degraded because the hardware virtualization support is disabled on the host computer.

    Unable to load the Parallels Driver

Cause

Parallels Desktop for Mac kernel extensions are not loaded on OS X Mavericks.

Resolution

  1. Uninstall Parallels Desktop

  2. Open Finder, go to Applications folder -> Utilities; Launch Disk Utility

  3. Click on your Mac Hard Disk and press Repair permissions. Wait till the operation is done.

  4. Reboot your Mac

  5. Download Parallels Desktop installation package:

  6. Install Parallels Desktop

Note: After you reinstall Parallels Desktop it is necessary to reboot your Mac to install it properly.


For installing OS X 10.9 Mavericks (release) in a Virtual Machine in Parallels Desktop 9 please check KB 118806

For installing OS X 10.9 Mavericks Developer Preview in a Virtual Machine please check KB 116282


Search words:

Does Parallels 8 support the new Mac OS (Mavericks)?




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