..was looking for UserName from SessionID so I put this together #include <Debug.au3> ; for _DebugArrayDisplay() ; all you can get from _WTSQuerySessionInformation() Global $i = _WTSQuerySessionInformation(-1, 4) ; current user's SessionId Global $__a_WTS_INFO_CLASS = StringSplit("WTSInitialProgram,WTSApplicationName,WTSWorkingDirectory,WTSOEMId,WTSSessionId,WTSUserName," & _ "WTSWinStationName,WTSDomainName,WTSConnectState,WTSClientBuildNumber,WTSCli