Disabling the HotPlug capability within ESXi5.x Virtual Machines / VDI

You may have noticed users have the ability to the vmxnet3 NIC from within their VDI session, which would have the unfortunate side effect of disconnecting their session and making the desktop unreachable. Screenshot 2015-08-21 13.34.13

To prevent this please make the following change.

To disable HotPlug capability using the vSphere Client:

  1. Connect to the ESXi/ESX host or vCenter Server using the vSphere Client.
  2. Power off the virtual machine.
  3. Right-click the virtual machine and click Edit Settings.
  4. Click the Options tab.
  5. Click General > Configuration Parameters > Add Row.
  6. Insert a new row with the name devices.hotplug and a value of false.
  7. Power on the virtual machine.

Screenshot 2015-08-21 13.34.56
To disable HotPlug capability using the vSphere Web Client:

  1. From a web browser, connect to the vSphere Web Client.
  2. Log in with Administrator credentials.
  3. Navigate to the virtual machine you want to modify.
  4. Right-click the virtual machine and select Edit Settings.
  5. Click the VM Options tab.
  6. Click Advanced > Edit Configuration > Add Row.
  7. Insert a new row with the name devices.hotplug and a value of false.
  8. Power on the virtual machine.

Once complete shutdown the vm then carry out the below actions.

  1. Create a new snapshot of the parent virtual machine:
    1. In the vSphere Client, right-click the parent virtual machine and click Snapshot > Take Snapshot.
    2. Give the snapshot a name and description.
    3. Click OK.
  2. Recompose the affected pools to this new snapshot:
    1. In the View Manager console, select a pool and open it.
    2. Click View Composer > Recompose, and select the newly created snapshot.
    3. Click Next.
    4. Configure the Schedule and Warnings options.
    5. Click Next.
    6. Review the confirmation information.
    7. Click Finish and verify that the recompose operation successfully completes.
    8. Repeat the recompose procedure for all affected pools.

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