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Windows Server 2012 Fail Upon Reboot – VM Hardware V10

12/14/2015 By vprogress Leave a Comment

Thinking

Recently, I ran into an issue where servers running Windows 2012 Server R2 hardware version 10 would fail on reboot in our virtual infrastructure. There is a workaround to fix this issue without having to rollback to hardware version 9 if you are not in a position to upgrade to VMware ESXi 5.5 Update 3 or VMware ESXi 6.0 for that matter.

To work around this issue, you can do two things:

Add monitor_control.enable_softResetClearTSC = TRUE to the VM configuration parameters which applies the setting to the VM individually.

or

Add echo ‘monitor_control.enable_softResetClearTSC = “TRUE”‘ >> /etc/vmware/config to the host, which will apply this fix to all VMs running on the host.

IMPORTANT: You should NOT apply this at the host level if you are using Solaris VMs as there could be unexpected results such as; Solaris VMs hanging.

I will walk through the steps below to apply the setting at a VM level.

  1. Log into vSphere Client
  2. Right-click the virtual machine and click Edit Settings to open the Virtual Machine Edit Settings window.
  3. Click VM Options. Select General, then Configuration Parameters.

 

Config_Parameters

4. Click Add Row.

Config_Add_Row

5. Add monitor_control.enable_softResetClearTSC = TRUE

Config_Line_Click_Ok

 

 

 

 

 

 

 

 

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