Because Jenkins is not configured environment variables cause
Open = Jenkins " the Manage Jenkins =" the Configure System => Global Properties
New global variables
Health: Path
值: %SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;%SYSTEMROOT%\System32\WindowsPowerShell\v1.0\;C:\Program Files\Microsoft SQL Server\110\DTS\Binn\;C:\Program Files (x86)\Microsoft SQL Server\110\Tools\Binn\;C:\Program Files\Microsoft SQL Server\110\Tools\Binn\;C:\Program Files (x86)\Microsoft SQL Server\110\Tools\Binn\ManagementStudio\;C:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\IDE\PrivateAssemblies\;C:\Program Files (x86)\Microsoft SQL Server\110\DTS\Binn\;C:\Program Files\dotnet\;C:\Program Files\Git\cmd;C:\Program Files\nodejs\;C:\Windows\System32\
Because xcopy.exe in C: \ Windows \ System32 \ under, so the environment variables to the C: \ Windows \ System32 \ path to the other issues the same token, the introduction of the corresponding path can be.