Unable to shadow build QML on Windows

Qt Creator is unable to build QML projects as shadow builds on Windows. Returns: "'test' is not recognized as an internal or external command".
Is is both for Desktop and Simulator targets.

The content of Compilation Output:

Running build steps for project untitled34234...
Configuration unchanged, skipping qmake step.
Starting: "C:\Qt-testing\bin\jom.exe"
Copying application data...
C:\Qt-testing\bin\jom.exe -nologo -j 4 -f Makefile.Debug

jom 1.0.4 - empower your cores

'test' is not recognized as an internal or external command,
operable program or batch file.
A subdirectory or file -p already exists.
Error occurred while processing: -p.
A subdirectory or file C:/tmp3/untitled34234-build-simulator/qml already exists.
Error occurred while processing: C:/tmp3/untitled34234-build-simulator/qml.
command failed with exit code 1
Copying application data...
link /LIBPATH:"c:\QtSDK_Beta\Simulator\Qt\msvc2008\lib" /NOLOGO /DEBUG /MANIFEST /MANIFESTFILE:"debug\untitled34234.intermediate.manifest" /SUBSYSTEM:WINDOWS "/MANIFESTDEPENDENCY:type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' publicKeyToken='6595b64144ccf1df' language='' processorArchitecture=''" /OUT:debug\untitled34234.exe @C:\Users\Berlin\AppData\Local\Temp\untitled34234.exe.6256.47.jom
'test' is not recognized as an internal or external command,
operable program or batch file.
A subdirectory or file -p already exists.
Error occurred while processing: -p.
A subdirectory or file C:/tmp3/untitled34234-build-simulator/qml already exists.
Error occurred while processing: C:/tmp3/untitled34234-build-simulator/qml.
command failed with exit code 1
qtmaind.lib(qtmain_win.obj) : warning LNK4099: PDB 'vc_ib_1.pdb' was not found with 'c:\QtSDK_Beta\Simulator\Qt\msvc2008\lib\qtmaind.lib' or at 'C:\tmp3\untitled34234-build-simulator\debug\vc_ib_1.pdb'; linking object as if no debug info
mt.exe -nologo -manifest "debug\untitled34234.intermediate.manifest" -outputresource:debug\untitled34234.exe;1
QProcess: Destroyed while process is still running.
command failed with exit code 2
command failed with exit code 2
command failed with exit code 2
The process "C:\Qt-testing\bin\jom.exe" exited with code 2.
Error while building project untitled34234 (target: Qt Simulator)
When executing build step 'Make'