ROBOCOPY Exit Codes

The return code from Robocopy is a bit map, defined as follows:

    Hex   Decimal  Meaning if set
    0×10  16       Serious error. Robocopy did not copy any files.
                   Either a usage error or an error due to insufficient access privileges
                   on the source or destination directories.

    0×08   8       Some files or directories could not be copied
                   (copy errors occurred and the retry limit was exceeded).
                   Check these errors further.

    0×04   4       Some Mismatched files or directories were detected.
                   Examine the output log. Some housekeeping may be needed.

    0×02   2       Some Extra files or directories were detected.
                   Examine the output log for details. 

    0×01   1       One or more files were copied successfully (that is, new files have arrived).

    0×00   0       No errors occurred, and no copying was done.
                   The source and destination directory trees are completely synchronized. 

You can use this in a batch file to report anomalies, as follows:

    if errorlevel 16 echo ***FATAL ERROR*** & goto end
    if errorlevel 15 echo OKCOPY + FAIL + MISMATCHES + XTRA & goto end
    if errorlevel 14 echo FAIL + MISMATCHES + XTRA & goto end
    if errorlevel 13 echo OKCOPY + FAIL + MISMATCHES & goto end
    if errorlevel 12 echo FAIL + MISMATCHES& goto end
    if errorlevel 11 echo OKCOPY + FAIL + XTRA & goto end
    if errorlevel 10 echo FAIL + XTRA & goto end
    if errorlevel 9 echo OKCOPY + FAIL & goto end
    if errorlevel 8 echo FAIL & goto end
    if errorlevel 7 echo OKCOPY + MISMATCHES + XTRA & goto end
    if errorlevel 6 echo MISMATCHES + XTRA & goto end
    if errorlevel 5 echo OKCOPY + MISMATCHES & goto end
    if errorlevel 4 echo MISMATCHES & goto end
    if errorlevel 3 echo OKCOPY + XTRA & goto end
    if errorlevel 2 echo XTRA & goto end
    if errorlevel 1 echo OKCOPY & goto end
    if errorlevel 0 echo No Change & goto end
    :end  

Example:

Copy files from one server to another

ROBOCOPY \\Server1\reports \\Server2\backup *.*
if errorlevel 8 GOTO sub_fail
if errorlevel 4 GOTO sub_housekeeping
if errorlevel 1 GOTO :eof
goto :eof :sub_fail
echo Something failed & goto :eof
:sub_housekeeping
echo Some housekeeping may be needed! & goto :eof

Bugs
Version XP026 returns a success errorlevel even when it fails.

“Few men of action have been able to make a graceful exit at the appropriate time” ~ Malcolm Muggeridge

Related:

Robocopy - Robust File and Folder Copy
Copy Open files - with VShadow.exe (Shadow copies)
Equivalent bash command: rsync - Remote file copy (Synchronize file trees)


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