diff --git a/tools/logon.cmd b/tools/logon.cmd
index 8d4df7e..b501c41 100644
--- a/tools/logon.cmd
+++ b/tools/logon.cmd
@@ -7,6 +7,7 @@ rem ===================
 set TOOLS=%SystemDrive%\tools
 set SCRIPT_SETTINGS=%TOOLS%\scripts\settings.cmd
 set COMPANY_SETTINGS=%TOOLS%\company\settings.cmd
+set CUSTOM_SCRIPT=%TOOLS%\company\custom.cmd
 set USERCONFIG_DONE="%LOCALAPPDATA%"\.userconfig_done
 set EMLICENSE_DONE="%LOCALAPPDATA%"\.emlicense_done
 set STARTMENU=%APPDATA%\Microsoft\Windows\Start Menu\Programs
@@ -508,13 +509,16 @@ echo Starting the workstation service ...
 net start workstation 1>nul 2>nul
 net config workstation
 
-echo ####### %0 #######
+rem =================================================
+rem search for custom script (only with ADMIN rights)
+rem =================================================
 
-if %ERRORLEVEL% NEQ 0 (
-  echo # unknown ERROR! #
-  echo ####### %0 #######
-  echo.
-  pause
+isuseradmin
+if %ERRORLEVEL% == 0 (
+  if EXIST %CUSTOM_SCRIPT% (
+    echo OK. Calling custom script ...
+    call %CUSTOM_SCRIPT%
+  )
 )
 
 goto END
@@ -550,7 +554,7 @@ ping 127.0.0.1 -n 3 >nul 2>nul
 start explorer.exe
 goto :eof
 
-rem ####################################################
-
 :END
+echo.
+echo ####### %0 #######