SOLUTION :
Step1 : Take Run then Type REGEDIT
Step 2 : Locate the following Registry key
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Servic es\WDSServer\Parameters
then Right-click UdpPortPolicy, and then click Modify. In the Value data box, type 0, and then click OK. On the File menu, click Exit to exit Registry Editor.
Restart the Windows Deployment Services service and try to boot from LAN once again, we can see the files are loading and Pxe boot starting.