VMware Tools 10.3.0: Additional considerations when updating Windows machines

Last week VMware released VMware Tools version 10.3.0.

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Not only does it include new features and a security update to address an out-of-bounds read vulnerability, it also introduces a significant change in a way VMware Tools install to Windows operating systems. In some circumstances, VMware Tools 10.3.0 installation or upgrade can even fail, as documented in VMware KB 55798.

Please bear in mind that the installer size for Windows has almost doubled with this release (for example, the 64-bit version has 72.6 MB in size compared to 47.4 MB for version 10.2.5), as it includes the following additional software:

  • Microsoft Visual C++ 2017 Redistributable packages (both 32- and 64-bit versions),

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  • VMware AppDefence (disabled by default).

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As a result, VMware Tools require to reboot the operating system at least once before actually proceed with the software install or upgrade.

VMware-Tools-1030-01

To reduce the maintenance window, the vendor’s recommendations are as follows:

  • Upgrade Windows with latest service pack available from Microsoft and install the Microsoft Visual C++ 2017 Redistributable manually before installing or upgrading to VMware Tools 10.3.x.

Note: If installing Microsoft Visual C++ 2017 Redistributable is not possible, consider installing the Windows Update KB2999226 manually to reduce the need for system restart in versions earlier to Windows 10.

  • When VMware Tools installation or upgrade is invoked with REBOOT=ReallySuppress argument and a system restart is required for completing Microsoft Visual C++ 2017 Redistributable install, re-attempt the VMware Tools installation or upgrade after restarting the Windows system. vSphere client can detect this situation by noticing no change in VMware Tools version and guestinfo.toolsInstallErrCode=3010 in the guest variables or in the advanced configuration of the virtual machine.

Note: When VMware Tools installation or upgrade is invoked without any arguments, a system restart may occur automatically to complete Microsoft Visual C++ 2017 Redistributable install. After Windows system restarts, re-attempt the VMware Tools installation or upgrade.

Also, VMware has enabled the receive data ring support for the VMXNET3 driver in Windows with this update. Thorough testing is required to understand how this change influences the virtual NIC performance.

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