I ran following command and got error.
C:\Program Files\Windows AIK\Tools\PETools>dism /image:e:\Images\winpe_x86\mount
Deployment Image Servicing and Management tool
An initialization error occurred.
For more information, review the log file.
The DISM log file can be found at C:\Windows\Logs\DISM\dism.log
On the dism.log state that everything seems OK except following line:
2009-11-12 08:58:52, Error DISM DISM OS Provider: PID=4300 Failed
trying to determine the OS Version. HRESULT=0x80070002 - CDISMOSServiceManager::get_OSVersion
Please someone help me.