Hi, I am getting below error . I am using Oracle VM virtual box 4.2 and HDP_2.5_virtualbox.ova. I tried using virtual box 5.1 as well.still getting same error. My laptop is windows 7 with 4GB RAM. Please help me in resolving this error. Failed to open a session for the virtual machine Hortonworks Docker Sandbox. Failed to enable and lock VT-x features. (VERR_VMX_MSR_LOCKING_FAILED). Result Code: E_FAIL (0x80004005) Component: Console Interface: IConsole {db7ab4ca-2a3f-4183-9243-c1208da92392} ... View more