Windows 10: Batch File - The specified channel could not be found.

Paul Black · Oct 1, 2020

I thought a new set of eyes looking at this might be able to see what is required.

I am basically trying to output ALL the event logs on a Local and Remote computer, although I am ONLY really interested in Local at the present time.

It outputs nicely to the screen but I can't get it to output the data to the created desktop folder. I used the variables i, j, and k to keep it simple.

Code:

@echo off

title Extract ALL Event Logs.
mode con: cols=110 lines=1250 & color 17
setlocal EnableDelayedExpansion
set "params=%*"
cd /d "%~dp0" && ( if exist "%temp%\getadmin.vbs" del "%temp%\getadmin.vbs") && fsutil dirty query %systemdrive% 1>nul 2>nul || ( echo Set UAC = CreateObject^("Shell.Application"^) : UAC.ShellExecute "cmd.exe", "/k cd ""%~sdp0"" && %~s0 %params%", "", "runas", 1 >> "%temp%\getadmin.vbs" && "%temp%\getadmin.vbs" && exit /b)
%windir%\system32\reg.exe query "HKU\S-1-5-19" 1>nul 2>nul || ( echo. & echo ERROR: This Batch file MUST be run as an Administrator. & echo. & echo Right-click the Batch file and click ^<Run as administrator^>. & echo. & echo ^>Press ANY key to EXIT . . . & pause >nul & goto :Exit )

for /f "usebackq tokens=3 " %%X in (`Reg Query "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /v Desktop`) do (set UDFPRaw=%%X)
for /f "usebackq delims=" %%Y in (`echo %UDFPRaw%`) do (set UDFP=%%Y)

echo.
set /p "UserInput=>Enter Remote PC name and press <Enter>, OR, press <Enter> for Local PC: "
if "%UserInput%" equ "" set UserInput=%ComputerName%
set Out_Dir=%UDFP%\%UserInput%
if not exist %Out_Dir% (mkdir %Out_Dir% >nul 2>&1)
pushd %Out_Dir%

echo. & echo ^>Processing . . . & echo.
for /f "delims=\" %%i in ('wevtutil el /r:%UserInput%') do (echo Retreving Log --^> %%i)
for /f "tokens=1,2 delims=/" %%j in ("%%i") do (
if %%k equ "" (
set Out_File=%ComputerName%-%%j.evtx
) else (
set Out_File=%ComputerName%-%%j-%%k.evtx
)
)
wevtutil epl %%i %Out_File% /OW:True /r:%UserInput%
)
popd
echo. & echo ^>Processing COMPLETE.
echo. & echo ^>Press ANY key to EXIT . . . & pause >nul & goto :Exit

:Exit
Click to expand...

Thanks.

EDIT:

The ERROR message I get it . . .

Failed to export log %i.
The specified channel could not be found.

:)

oily_17 · Oct 1, 2020

Batch Files Knowledge Base

Don't use batch files very much but one I find useful is for creating a list of files in a directory.
Just copy the text below into Notepad and save as Filelist.bat

dir /a /-p /o:gen >filelist.txt

When you run it from a folder it will create a Filelist.txt file,in the same folder, that lists all the files in that folder.Useful when you are too lazy to type all the files out yourself.

AphexDreamer · Oct 1, 2020

Batch Files Knowledge Base

Don't use batch files very much but one I find useful is for creating a list of files in a directory.
Just copy the text below into Notepad and save as Filelist.bat

dir /a /-p /o:gen >filelist.txt

When you run it from a folder it will create a Filelist.txt file,in the same folder, that lists all the files in that folder.Useful when you are too lazy to type all the files out yourself.
Click to expand...

Very nice and usefull thanks for contributing.

Steevo · Oct 1, 2020

Batch file to ping network

No, batch files are extremely easy.

A "If" requires three extra steps.

Code is not how much you can put in, but how lite can you make it and still perform the functions.

So

@ echo off

ping 1.4.1.4 >a.txt

findstr /m "Request timed out" a.txt
if %errorlevel%%==0 (
echo Save our nets!!!
)

pause

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