Hiding the Last Logged-On Username

  • Open Registry Editor. (Click Start, click Run, type regedit, and click OK.)
  • Locate the registry key: HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
  • Set the DontDisplayLastUserName value to 1.
    (Set the value to 0 to display the last logged-on user name.)

If the DontDisplayLastUserName value doesn’t exist, create it using the following information:

  • Name: DontDisplayLastUserName
  • Type: REG_SZ
  • Data: 0 (Display the last user name), 1 (Don’t display the last user name)