VMware Workstation 12 Player Version 12.5.1 Release Notes

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VMware Workstation 12 Player Version 12.5.1  | 27 OCT 2016 | Build 4542065

Last updated: 27 OCT 2016

Check for additions and updates to these release notes.

What's in the Release Notes

About VMware Workstation Player

VMware Workstation Player (formerly known as Player Pro) is a streamlined desktop virtualization application that runs one or more operating systems on the same computer without rebooting. VMware Workstation Player provides a simple user interface, unmatched operating system support, and portability.

For more information, see the broader VMware Workstation Player documentation or specifically the respective VMware Workstation Player Documentation Center:

What's New

This release of VMware Workstation Player is a free upgrade for all VMware Workstation 12 Player users, it contains bug fixes, security updates and performance improvements.

Prior Releases

Features and Known Issues from prior releases of VMware Workstation Player are described in the release notes for each release. To view release notes for prior releases of VMware Workstation 12 Player, click the following links:

Known Issues

  • Virtual machines running Linux kernel version 4.7 or above may crash or hang on hosts with Intel CPUs

    Virtual Machines running Linux kernel version 4.7 or above may crash during installation or during power-on with a crash in the intel_powerclamp driver. This issue has been reported with Ubuntu 16.10, but it is a generic Linux kernel issue.

    Workaround: VMware is working with the OS vendors to have them fix their respective kernels. Until a fix is available, you can blacklist the intel_powerclamp driver so that the buggy code doesn't get loaded.

    To blacklist the driver:

    Add the kernel command-line option modprobe.blacklist=intel_powerclamp to the guest OS's default grub configuration or add it directly at the grub menu during boot.

  • Some driver files are not deleted after uninstalling VMware Workstation Player from a Windows host operating system

    After VMware Workstation Player is uninstalled, the following driver-related files remain on the Windows host operating system:
    In C:\Windows\System32\drivers:
    hcmon.sys
    vmci.sys
    vmx86.sys
    vmkbd.sys in case Enhanced Keyboard Driver was installed.

    Workaround: Navigate to C:\Windows\System32\drivers and delete hcmon.sys, vmci.sys, vmx86.sys, and vmkbd.sys.

Resolved Issues

  • VMware VIX API files installed to the incorrect location

    When you install the VMware VIX API files, some files install to C:\, even when you select the default install path of C:\Program Files (x86)\VMware\VMware VIX.

    This issue is resolved.

  • vmrun commands fail on RHEL 6.8 and CentOS 6.8 hosts

    Trying to execute vmrun commands on a RHEL 6.8 or CentOS 6.8 host machine, results in errors.

    This issue is resolved.

  • Some driver files are not deleted after uninstalling VMware Workstation Player from a Windows host operating system

    After VMware Workstation Player is uninstalled, the following driver-related files remain on the Windows host operating system:
    In C:\Program Files\Common Files\VMware\Drivers\vmci\device:
    vmciver.dll

    This issue is resolved.