• Add configuration options in the virtual machine’s .vmx file:
    1. Open the virtual machine’s configuration file (/vmfs/volumes/datastore_name/vm_name/vm_name.vmx) using a text editor.
    2. Set these options to zero. If the entries do not exist, add them.

      Note: 0 = disabled, 1 = enabled.

      tools.syncTime = "0"
      time.synchronize.continue = "0"
      time.synchronize.restore = "0"
      time.synchronize.resume.disk = "0"
      time.synchronize.shrink = "0"
      time.synchronize.tools.startup = "0"
      time.synchronize.tools.enable = "0"
      time.synchronize.resume.host = "0"

      Note: In GSX, VMware Fusion, VMware Player and VMware Workstation, you must use "FALSE" instead of "0". For example:

      tools.syncTime = "FALSE"
      time.synchronize.continue = "FALSE"
      time.synchronize.restore = "FALSE"
      time.synchronize.resume.disk = "FALSE"
      time.synchronize.shrink = "FALSE"
      time.synchronize.tools.startup = "FALSE"
      time.synchronize.tools.enable = "FALSE"
      time.synchronize.resume.host = "FALSE"

  • Add configuration parameters using the vSphere Client:
    1. Select the virtual machine in the vSphere Client inventory and power it off.
    2. On the Summary tab, click Edit Settings.
    3. Click the Options tab and click General (under Advanced).
    4. Click Configuration Parameters, then click Add Row and add this information:
      Name Value
      tools.syncTime 0
      time.synchronize.continue 0
      time.synchronize.restore 0
      time.synchronize.resume.disk 0
      time.synchronize.shrink 0
      time.synchronize.tools.startup 0
      time.synchronize.tools.enable 0
      time.synchronize.resume.host 0

    Note: When adding tools.syncTime via the Configuration Parameters in vSphere 5.x, it will not be displayed again after the entry has been accepted and closed. When you view the vm_name.vmx file, you see the parameter inserted as tools.syncTime = "FALSE".

Reference:
http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1189

 

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