problem with open com port without administrator privilege RRS feed

  • Question

  • When i try to open my cash drawer   that using USB to USB cables on widows 10 using utility or using the cmd it doesn't open unless i run the utility or the cmd with the administrator privilege , i don't want to give the users admins privilege at the domain or the local computers due to security and the  company policy.

    advice me please 

    Monday, April 22, 2019 1:20 PM

All replies

  • This is strange, access to serial ports (normal or USB) should not require administrator privileges. Unless someone messed around with the driver or device security descriptors.

    -- pa

    Monday, April 22, 2019 6:54 PM
  • Use WinObj from Sysinternals to look at the security descriptor on the device object


    Azius Developer Training Windows device driver, internals, security, & forensics training and consulting. Blog at

    Thursday, May 2, 2019 10:43 PM