All you need to do is on the vSphere client
- Power off the virtual machine
- Right click virtual machine select Edit Settings
- Click Options > General > Configuration Parameters
- Click Add Row (apparently this parameter does not exist by default, they probably should make this editable/configurable, instead of releasing a KB)
- Under Name enter keyboard.typematicMinDelay In the Value field 2000000
- Click OK
- Power on the virtual machine
