Hi,
we face same problem, please find smsts.log
==============================[ TSMBootStrap.exe ]============================== TSMBootstrap 11/21/2012 11:50:01 AM 1196 (0x04AC)
Command line: X:\sms\bin\i386\TsmBootstrap.exe /env:WinPE /configpath:X:\sms\data\ TSMBootstrap 11/21/2012 11:50:01 AM 1196 (0x04AC)
Succeeded loading resource DLL 'X:\sms\bin\i386\1033\TSRES.DLL' TSMBootstrap 11/21/2012 11:50:01 AM 1196 (0x04AC)
Succeeded loading resource DLL 'X:\sms\bin\i386\TSRESNLC.DLL' TSMBootstrap 11/21/2012 11:50:01 AM 1196 (0x04AC)
PXE Boot with Root = X:\ TSMBootstrap 11/21/2012 11:50:01 AM 1196 (0x04AC)
Executing from PXE in WinPE TSMBootstrap 11/21/2012 11:50:01 AM 1196 (0x04AC)
Loading TsPxe.dll from X:\sms\bin\i386\TsPxe.dll TSMBootstrap 11/21/2012 11:50:01 AM 1196 (0x04AC)
TsPxe.dll loaded TSPxe 11/21/2012 11:50:01 AM 1196 (0x04AC)
Device has PXE booted TSPxe 11/21/2012 11:50:01 AM 1196 (0x04AC)
Variable Path: \SMSTemp\2012.11.21.07.54.30.0001.{46678B2A-2295-4B04-92C4-4FE7ED22E2AF}.boot.var TSPxe 11/21/2012 11:50:01 AM 1196 (0x04AC)
Variable Key Len: 69 TSPxe 11/21/2012 11:50:01 AM 1196 (0x04AC)
Succesfully added firewall rule for Tftp TSPxe 11/21/2012 11:50:01 AM 1196 (0x04AC)
Executing: X:\sms\bin\i386\smstftp.exe -i 172.16.17.29 get \SMSTemp\2012.11.21.07.54.30.0001.{46678B2A-2295-4B04-92C4-4FE7ED22E2AF}.boot.var X:\sms\data\variables.dat TSPxe 11/21/2012 11:50:01 AM 1196 (0x04AC)
Command line for extension .exe is "%1" %* TSPxe 11/21/2012 11:50:01 AM 1196 (0x04AC)
Set command line: "X:\sms\bin\i386\smstftp.exe" -i 172.16.17.29 get \SMSTemp\2012.11.21.07.54.30.0001.{46678B2A-2295-4B04-92C4-4FE7ED22E2AF}.boot.var X:\sms\data\variables.dat TSPxe 11/21/2012 11:50:01 AM 1196 (0x04AC)
Executing command line: "X:\sms\bin\i386\smstftp.exe" -i 172.16.17.29 get \SMSTemp\2012.11.21.07.54.30.0001.{46678B2A-2295-4B04-92C4-4FE7ED22E2AF}.boot.var X:\sms\data\variables.dat TSPxe 11/21/2012 11:50:01 AM 1196 (0x04AC)
Process completed with exit code 1 TSPxe 11/21/2012 11:50:01 AM 1196 (0x04AC)
Succesfully removed firewall rule for Tftp TSPxe 11/21/2012 11:50:01 AM 1196 (0x04AC)
uExitCode == 0, HRESULT=80004005 (e:\nts_sccm_release\sms\server\pxe\tspxe\tspxe.cpp,185) TSPxe 11/21/2012 11:50:01 AM 1196 (0x04AC)
Failed to download pxe variable file. Code(0x00000001) TSPxe 11/21/2012 11:50:01 AM 1196 (0x04AC)
PxeGetPxeData failed with 0x80004005 TSPxe 11/21/2012 11:50:01 AM 1196 (0x04AC)
HRESULT_FROM_WIN32(dwError), HRESULT=80004005 (e:\nts_sccm_release\sms\client\tasksequence\tsmbootstrap\tsmbootstraputil.cpp,1370) TSPxe 11/21/2012 11:50:01 AM 1196 (0x04AC)
TSMBootstrapUtil::PxeGetPxeData(&bPxeBooted, sVariablesFile, sPxePasswd), HRESULT=80004005 (e:\nts_sccm_release\sms\client\tasksequence\tsmbootstrap\tsmediawizardcontrol.cpp,2545) TSPxe 11/21/2012 11:50:01 AM 1196 (0x04AC)
oTSMediaWizardControl.Run( sMediaRoot, true, true ), HRESULT=80004005 (e:\nts_sccm_release\sms\client\tasksequence\tsmbootstrap\tsmbootstrap.cpp,915) TSPxe 11/21/2012 11:50:01 AM 1196 (0x04AC)
Execute( eExecutionEnv, sConfigPath, sTSXMLFile, uBootCount, &uExitCode ), HRESULT=80004005 (e:\nts_sccm_release\sms\client\tasksequence\tsmbootstrap\tsmbootstrap.cpp,1020) TSPxe 11/21/2012 11:50:01 AM 1196 (0x04AC)
Exiting with return code 0x80004005 TSPxe 11/21/2012 11:50:01 AM 1196 (0x04AC)
hMap != 0, HRESULT=80070002 (e:\nts_sccm_release\sms\framework\tscore\environmentscope.cpp,191) TSPxe 11/21/2012 11:50:01 AM 1196 (0x04AC)
m_pGlobalScope->open(), HRESULT=80070002 (e:\nts_sccm_release\sms\framework\tscore\environmentlib.cpp,337) TSPxe 11/21/2012 11:50:01 AM 1196 (0x04AC)
this->open(), HRESULT=80070002 (e:\nts_sccm_release\sms\framework\tscore\environmentlib.cpp,549) TSPxe 11/21/2012 11:50:01 AM 1196 (0x04AC)
Execution complete. TSBootShell 11/21/2012 11:50:01 AM 800 (0x0320)
Finalizing logging from process 788 TSBootShell 11/21/2012 11:50:01 AM 800 (0x0320)
Finalizing logs to root of first available drive TSBootShell 11/21/2012 11:50:01 AM 800 (0x0320)
Successfully finalized logs to E:\SMSTSLog TSBootShell 11/21/2012 11:50:01 AM 800 (0x0320)
Cleaning up task sequencing logging configuration. TSBootShell 11/21/2012 11:50:01 AM 800 (0x0320)