diff --git a/tools/setup-thinclient.cmd b/tools/setup-thinclient.cmd
index d18d223..5860588 100644
--- a/tools/setup-thinclient.cmd
+++ b/tools/setup-thinclient.cmd
@@ -12,6 +12,9 @@ reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" ^
 echo Creating user %THINUSER% ...
 net user %THINUSER% %THINPASS% /ADD
 
+reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" ^
+  /v DisableLockWorkstation /t REG_DWORD /d "1" /f 2>/nul
+
 echo Activating Auto Logon for user %THINUSER% ...
 reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" ^
   /v AutoAdminLogon /t REG_SZ /d "1" /f 2>/nul