diff --git a/xCAT-server/share/xcat/netboot/windows/startnet.cmd b/xCAT-server/share/xcat/netboot/windows/startnet.cmd
index b937350ad..9073efb5c 100644
--- a/xCAT-server/share/xcat/netboot/windows/startnet.cmd
+++ b/xCAT-server/share/xcat/netboot/windows/startnet.cmd
@@ -8,6 +8,12 @@ echo [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\TCPIP6\Parameters] >>
 echo "Dhcpv6DUID"=hex:00,04,%uuid:~0,2%,%uuid:~2,2%,%uuid:~4,2%,%uuid:~6,2%,%uuid:~9,2%,%uuid:~11,2%,%uuid:~14,2%,%uuid:~16,2%,%uuid:~19,2%,%uuid:~21,2%,%uuid:~24,2%,%uuid:~26,2%,%uuid:~28,2%,%uuid:~30,2%,%uuid:~32,2%,%uuid:~34,2% >> duiduuid.reg
 echo. >> duiduuid.reg
 regedit /s duiduuid.reg
+for /f "delims=" %a in ('wmic cdrom get drive ^| find ":") do @set optdrive=%a
+if [%optdrive%] == [] GOTO :netboot
+if not exist %optdrive%:\dvdboot.cmd GOTO :netboot
+%optdrive%:\dvdboot.cmd
+goto :end
+:netboot
 wpeinit
 for /f %%A IN ('getnextserver.exe') DO SET XCATD=%%A
 echo Waiting for xCAT server %XCATD% to become reachable (check WinPE network drivers if this does not proceeed)
@@ -26,3 +32,4 @@ if not exist x:\xcat\autoscript.cmd echo I could not find my autoinst file
 if not exist x:\xcat\autoscript.cmd pause
 call x:\xcat\autoscript.cmd
 wpeutil reboot
+:end