Setting VMware Tools Options

The Options tab provides the following configuration options:

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Time synchronization between the virtual machine and the host operating system – When enabled, this option periodically (every minute) checks whether the guest operating system time is lagging behind the host operating system time. If it is, the guest operating system time is moved forward to match the host operating system time.

Regardless of whether you enable this setting, time synchronization occurs when the VMware Tools daemon is started (such as during a reboot), when resuming from a suspend operation, and after shrinking a disk. When the operating system starts or reboots, synchronization can be either forward or backward in time. For other events, synchronization is forward in time.

Note: If you use this option, be sure to disable all other time synchronization mechanisms. For example, some guests might have NTP or CMOS clock synchronization turned on by default.