Booting Windows 7 PE built with Winbuilder (TheOven.org)

[JCDinPGH]

(2018-01-10 15:52)JCDinPGH Wrote:  Sorry for the huge post but I wanted to try and include as much info as possible.
I've been trying to get this to work for at least a full week now and I'm not having much luck. I have read through the WinPE instructions several times but the ISO I built with Winbuilder from http://theoven.org appears to be slightly different than the ISO used/referenced in the WinPE instructions as that one appears to be Windows 10 PE and I am trying to boot a Windows 7 PE. For example, there is no bootmgr.exe in my ISO.
I am trying to setup a Windows utility CD that can be PXE booted. In that image, are several apps, like Acronis,several antivirus tools that all get incorporated when using Winbuilder. Checkout theoven.org if you want some great tools to build a very useful ISO.

The memdisk method of booting an ISO doesn't work on my WinPE.iso.
The file structure in the ISO looks like below:
The Programs_SE_x64 is where Winbuilder puts utilities that are set in Winbuilder to "run from CD". I don't really care about anything in there as when I built this ISO, I choose for most of the apps I wanted to be "run from RAM" so they are all in the boot.wim file.

³ BOOTMGR
³ bootmgr.efi
³ CdUsb.Y
³ menu.lst
³ out.txt
³ TheOven_Startup_CD.cmd
³ Win7PE.cd
³
Boot
³ ³ bcd
³ ³ boot.sdi
³ ³ bootfix.bin
³ ³ bootsect.exe
³ ³ etfsboot.com
³ ³ GFXBoot.gfx
³ ³ grldr
³ ³ memdisk
³ ³ memtest.efi
³ ³ memtest.exe
³ ³
³ en-US
³ ³ bootmgr.exe.mui
³ ³ bootsect.exe.mui
³ ³
³ fonts
³ ³ chs_boot.ttf
³ ³ cht_boot.ttf
³ ³ jpn_boot.ttf
³ ³ kor_boot.ttf
³ ³ wgl4_boot.ttf
³ ³
³ IMG
efi
³ boot
³ ³ ³ bcd
³ ³ ³ bootx64.efi
³ ³ ³ cdboot.efi
³ ³ ³ efisys.bin
³ ³ ³
³ ³ fonts
³ ³ chs_boot.ttf
³ ³ cht_boot.ttf
³ ³ jpn_boot.ttf
³ ³ kor_boot.ttf
³ ³ wgl4_boot.ttf
³ ³
³ IMG
³ microsoft
³ boot
³ ³ bcd
³ ³ bcd.LOG
³ ³ bcd.LOG1
³ ³ bcd.LOG2
³ ³ cdboot.efi
³ ³ efisys.bin
³ ³
³ fonts
³ chs_boot.ttf
³ cht_boot.ttf
³ jpn_boot.ttf
³ kor_boot.ttf
³ wgl4_boot.ttf
³
Intel
³ Thunderbolt
³ setup.msi
³
Programs_SE_x64
³ assembly
³ ³ ³ Desktop.ini
³ ³ ³ PublisherPolicy.tme
³ ³ ³ pubpol1.dat
³ ³ ³
³ ³ GAC
³ ³ GAC_32
³ ³ ³ mscorlib
³ ³ ³ 2.0.0.0__b77a5c561934e089
³ ³ ³ big5.nlp
³ ³ ³ bopomofo.nlp
³ ³ ³ ksc.nlp
³ ³ ³ mscorlib.dll
³ ³ ³ normidna.nlp
³ ³ ³ normnfc.nlp
³ ³ ³ normnfd.nlp
³ ³ ³ normnfkc.nlp
³ ³ ³ normnfkd.nlp
³ ³ ³ prc.nlp
³ ³ ³ prcp.nlp
³ ³ ³ sortkey.nlp
³ ³ ³ sorttbls.nlp
³ ³ ³ xjis.nlp
³ ³ ³
³ ³ GAC_64
³ ³ ³ mscorlib
³ ³ ³ 2.0.0.0__b77a5c561934e089
³ ³ ³ big5.nlp
³ ³ ³ bopomofo.nlp
³ ³ ³ ksc.nlp
³ ³ ³ mscorlib.dll
³ ³ ³ normidna.nlp
³ ³ ³ normnfc.nlp
³ ³ ³ normnfd.nlp
³ ³ ³ normnfkc.nlp
³ ³ ³ normnfkd.nlp
³ ³ ³ prc.nlp
³ ³ ³ prcp.nlp
³ ³ ³ sortkey.nlp
³ ³ ³ sorttbls.nlp
³ ³ ³ xjis.nlp
³ ³ ³
³ ³ GAC_MSIL
³ ³ ³ Accessibility
³ ³ ³ ³ 2.0.0.0__b03f5f7f11d50a3a
³ ³ ³ ³ Accessibility.dll
³ ³ ³ ³
³ ³ ³ System
³ ³ ³ ³ 2.0.0.0__b77a5c561934e089
³ ³ ³ ³ System.dll
³ ³ ³ ³
³ ³ ³ System.Configuration
³ ³ ³ ³ 2.0.0.0__b03f5f7f11d50a3a
³ ³ ³ ³ System.configuration.dll
³ ³ ³ ³
³ ³ ³ System.Configuration.Install
³ ³ ³ ³ 2.0.0.0__b03f5f7f11d50a3a
³ ³ ³ ³ System.Configuration.Install.dll
³ ³ ³ ³
³ ³ ³ System.Design
³ ³ ³ ³ 2.0.0.0__b03f5f7f11d50a3a
³ ³ ³ ³ System.Design.dll
³ ³ ³ ³
³ ³ ³ System.Drawing
³ ³ ³ ³ 2.0.0.0__b03f5f7f11d50a3a
³ ³ ³ ³ System.Drawing.dll
³ ³ ³ ³
³ ³ ³ System.Drawing.Design
³ ³ ³ ³ 2.0.0.0__b03f5f7f11d50a3a
³ ³ ³ ³ System.Drawing.Design.dll
³ ³ ³ ³
³ ³ ³ System.Runtime.Remoting
³ ³ ³ ³ 2.0.0.0__b77a5c561934e089
³ ³ ³ ³ System.Runtime.Remoting.dll
³ ³ ³ ³
³ ³ ³ System.Runtime.Serialization
³ ³ ³ ³ 3.0.0.0__b77a5c561934e089
³ ³ ³ ³ System.Runtime.Serialization.dll
³ ³ ³ ³
³ ³ ³ System.Runtime.Serialization.Formatters.Soap
³ ³ ³ ³ 2.0.0.0__b03f5f7f11d50a3a
³ ³ ³ ³ System.Runtime.Serialization.Formatters.Soap.dll
³ ³ ³ ³
³ ³ ³ System.Security
³ ³ ³ ³ 2.0.0.0__b03f5f7f11d50a3a
³ ³ ³ ³ System.Security.dll
³ ³ ³ ³
³ ³ ³ System.Windows.Forms
³ ³ ³ ³ 2.0.0.0__b77a5c561934e089
³ ³ ³ ³ System.Windows.Forms.dll
³ ³ ³ ³
³ ³ ³ System.Xml
³ ³ ³ 2.0.0.0__b77a5c561934e089
³ ³ ³ System.XML.dll
³ ³ ³
³ ³ temp
³ ³ tmp
³ BGInfo
³ ³ BGInfo.bgi
³ ³ Bginfo.exe
³ ³ Eula.txt
³ ³ RunBGinfo.exe
³ ³
³ iSwitcher
³ ³ iSwitcher.exe
³ ³
³ Microsoft.NET
³ ³ authman
³ ³ Framework
³ ³ ³ ³ NETFXSBS10.exe
³ ³ ³ ³ netfxsbs12.hkf
³ ³ ³ ³ SharedReg12.dll
³ ³ ³ ³
³ ³ ³ v2.0.50727
³ ³ ³ ³ Accessibility.dll
³ ³ ³ ³ alink.dll
³ ³ ³ ³ csc.exe
³ ³ ³ ³ csc.exe.config
³ ³ ³ ³ csc.rsp
³ ³ ³ ³ cscomp.dll
³ ³ ³ ³ cscompmgd.dll
³ ³ ³ ³ Culture.dll
³ ³ ³ ³ cvtres.exe
³ ³ ³ ³ fusion.dll
³ ³ ³ ³ mscordacwks.dll
³ ³ ³ ³ mscordbc.dll
³ ³ ³ ³ mscordbi.dll
³ ³ ³ ³ mscoree.tlb
³ ³ ³ ³ mscorie.dll
³ ³ ³ ³ mscorjit.dll
³ ³ ³ ³ mscorld.dll
³ ³ ³ ³ mscorlib.dll
³ ³ ³ ³ mscorlib.tlb
³ ³ ³ ³ mscorpe.dll
³ ³ ³ ³ mscorrc.dll
³ ³ ³ ³ mscorsec.dll
³ ³ ³ ³ mscorsn.dll
³ ³ ³ ³ mscorsvc.dll
³ ³ ³ ³ mscorsvw.exe
³ ³ ³ ³ mscortim.dll
³ ³ ³ ³ mscorwks.dll
³ ³ ³ ³ shfusion.chm
³ ³ ³ ³ shfusion.dll
³ ³ ³ ³ ShFusRes.dll
³ ³ ³ ³ sysglobl.dll
³ ³ ³ ³ System.configuration.dll
³ ³ ³ ³ System.Configuration.Install.dll
³ ³ ³ ³ System.dll
³ ³ ³ ³ System.Drawing.Design.dll
³ ³ ³ ³ System.Drawing.dll
³ ³ ³ ³ System.Drawing.tlb
³ ³ ³ ³ System.Runtime.Remoting.dll
³ ³ ³ ³ System.Runtime.Serialization.Formatters.Soap.dll
³ ³ ³ ³ System.Security.dll
³ ³ ³ ³ System.tlb
³ ³ ³ ³ System.Windows.Forms.dll
³ ³ ³ ³ System.Windows.Forms.tlb
³ ³ ³ ³ System.XML.dll
³ ³ ³ ³ TLBREF.DLL
³ ³ ³ ³
³ ³ ³ 1031
³ ³ ³ 1033
³ ³ ³ ³ alinkui.dll
³ ³ ³ ³ cscompui.dll
³ ³ ³ ³ CvtResUI.dll
³ ³ ³ ³ vbc7ui.dll
³ ³ ³ ³ Vsavb7rtUI.dll
³ ³ ³ ³
³ ³ ³ CONFIG
³ ³ ³ ³ ³ DefaultWsdlHelpGenerator.aspx
³ ³ ³ ³ ³ machine.config
³ ³ ³ ³ ³ machine.config.comments
³ ³ ³ ³ ³ machine.config.default
³ ³ ³ ³ ³ web.config
³ ³ ³ ³ ³ web.config.comments
³ ³ ³ ³ ³ web.config.default
³ ³ ³ ³ ³ web_hightrust.config
³ ³ ³ ³ ³ web_hightrust.config.default
³ ³ ³ ³ ³ web_lowtrust.config
³ ³ ³ ³ ³ web_lowtrust.config.default
³ ³ ³ ³ ³ web_mediumtrust.config
³ ³ ³ ³ ³ web_mediumtrust.config.default
³ ³ ³ ³ ³ web_minimaltrust.config
³ ³ ³ ³ ³ web_minimaltrust.config.default
³ ³ ³ ³ ³
³ ³ ³ ³ Browsers
³ ³ ³ ³ avantgo.browser
³ ³ ³ ³ cassio.browser
³ ³ ³ ³ Default.browser
³ ³ ³ ³ docomo.browser
³ ³ ³ ³ ericsson.browser
³ ³ ³ ³ EZWap.browser
³ ³ ³ ³ gateway.browser
³ ³ ³ ³ generic.browser
³ ³ ³ ³ goAmerica.browser
³ ³ ³ ³ ie.browser
³ ³ ³ ³ Jataayu.browser
³ ³ ³ ³ jphone.browser
³ ³ ³ ³ legend.browser
³ ³ ³ ³ MME.browser
³ ³ ³ ³ mozilla.browser
³ ³ ³ ³ netscape.browser
³ ³ ³ ³ nokia.browser
³ ³ ³ ³ openwave.browser
³ ³ ³ ³ opera.browser
³ ³ ³ ³ palm.browser
³ ³ ³ ³ panasonic.browser
³ ³ ³ ³ pie.browser
³ ³ ³ ³ webtv.browser
³ ³ ³ ³ winwap.browser
³ ³ ³ ³ xiino.browser
³ ³ ³ ³
³ ³ ³ GAC
³ ³ ³ MUI
³ ³ ³ ³ 0409
³ ³ ³ ³ mscorsecr.dll
³ ³ ³ ³
³ ³ ³ US
³ ³ Framework64
³ ³ ³ SharedReg12.dll
³ ³ ³
³ ³ v2.0.50727
³ ³ ³ Accessibility.dll
³ ³ ³ alink.dll
³ ³ ³ csc.exe
³ ³ ³ csc.exe.config
³ ³ ³ csc.rsp
³ ³ ³ cscomp.dll
³ ³ ³ cscompmgd.dll
³ ³ ³ Culture.dll
³ ³ ³ cvtres.exe
³ ³ ³ fusion.dll
³ ³ ³ mscordacwks.dll
³ ³ ³ mscordbc.dll
³ ³ ³ mscordbi.dll
³ ³ ³ mscoree.tlb
³ ³ ³ mscorie.dll
³ ³ ³ mscorjit.dll
³ ³ ³ mscorld.dll
³ ³ ³ mscorlib.dll
³ ³ ³ mscorlib.tlb
³ ³ ³ mscorpe.dll
³ ³ ³ mscorpjt.dll
³ ³ ³ mscorrc.dll
³ ³ ³ mscorsec.dll
³ ³ ³ mscorsn.dll
³ ³ ³ mscorsvc.dll
³ ³ ³ mscorsvw.exe
³ ³ ³ mscortim.dll
³ ³ ³ mscorwks.dll
³ ³ ³ shfusion.chm
³ ³ ³ shfusion.dll
³ ³ ³ ShFusRes.dll
³ ³ ³ sysglobl.dll
³ ³ ³ System.configuration.dll
³ ³ ³ System.Configuration.Install.dll
³ ³ ³ System.dll
³ ³ ³ System.Drawing.Design.dll
³ ³ ³ System.Drawing.dll
³ ³ ³ System.Drawing.tlb
³ ³ ³ System.Runtime.Remoting.dll
³ ³ ³ System.Runtime.Serialization.Formatters.Soap.dll
³ ³ ³ System.Security.dll
³ ³ ³ System.tlb
³ ³ ³ System.Windows.Forms.dll
³ ³ ³ System.Windows.Forms.tlb
³ ³ ³ System.XML.dll
³ ³ ³ TLBREF.DLL
³ ³ ³
³ ³ 1031
³ ³ 1033
³ ³ ³ alinkui.dll
³ ³ ³ cscompui.dll
³ ³ ³ CvtResUI.dll
³ ³ ³ vbc7ui.dll
³ ³ ³
³ ³ CONFIG
³ ³ ³ ³ DefaultWsdlHelpGenerator.aspx
³ ³ ³ ³ machine.config
³ ³ ³ ³ machine.config.comments
³ ³ ³ ³ machine.config.default
³ ³ ³ ³ web.config
³ ³ ³ ³ web.config.comments
³ ³ ³ ³ web.config.default
³ ³ ³ ³ web_hightrust.config
³ ³ ³ ³ web_hightrust.config.default
³ ³ ³ ³ web_lowtrust.config
³ ³ ³ ³ web_lowtrust.config.default
³ ³ ³ ³ web_mediumtrust.config
³ ³ ³ ³ web_mediumtrust.config.default
³ ³ ³ ³ web_minimaltrust.config
³ ³ ³ ³ web_minimaltrust.config.default
³ ³ ³ ³
³ ³ ³ Browsers
³ ³ ³ avantgo.browser
³ ³ ³ cassio.browser
³ ³ ³ Default.browser
³ ³ ³ docomo.browser
³ ³ ³ ericsson.browser
³ ³ ³ EZWap.browser
³ ³ ³ gateway.browser
³ ³ ³ generic.browser
³ ³ ³ goAmerica.browser
³ ³ ³ ie.browser
³ ³ ³ Jataayu.browser
³ ³ ³ jphone.browser
³ ³ ³ legend.browser
³ ³ ³ MME.browser
³ ³ ³ mozilla.browser
³ ³ ³ netscape.browser
³ ³ ³ nokia.browser
³ ³ ³ openwave.browser
³ ³ ³ opera.browser
³ ³ ³ palm.browser
³ ³ ³ panasonic.browser
³ ³ ³ pie.browser
³ ³ ³ webtv.browser
³ ³ ³ winwap.browser
³ ³ ³ xiino.browser
³ ³ ³
³ ³ GAC
³ ³ MUI
³ ³ ³ 0409
³ ³ ³ mscorsecr.dll
³ ³ ³
³ ³ US
³ Mozilla Firefox
³ ³ ³ Accessible.tlb
³ ³ ³ AccessibleHandler.dll
³ ³ ³ AccessibleMarshal.dll
³ ³ ³ api-ms-win-core-console-l1-1-0.dll
³ ³ ³ api-ms-win-core-datetime-l1-1-0.dll
³ ³ ³ api-ms-win-core-debug-l1-1-0.dll
³ ³ ³ api-ms-win-core-errorhandling-l1-1-0.dll
³ ³ ³ api-ms-win-core-file-l1-1-0.dll
³ ³ ³ api-ms-win-core-file-l1-2-0.dll
³ ³ ³ api-ms-win-core-file-l2-1-0.dll
³ ³ ³ api-ms-win-core-handle-l1-1-0.dll
³ ³ ³ api-ms-win-core-heap-l1-1-0.dll
³ ³ ³ api-ms-win-core-interlocked-l1-1-0.dll
³ ³ ³ api-ms-win-core-libraryloader-l1-1-0.dll
³ ³ ³ api-ms-win-core-localization-l1-2-0.dll
³ ³ ³ api-ms-win-core-memory-l1-1-0.dll
³ ³ ³ api-ms-win-core-namedpipe-l1-1-0.dll
³ ³ ³ api-ms-win-core-processenvironment-l1-1-0.dll
³ ³ ³ api-ms-win-core-processthreads-l1-1-0.dll
³ ³ ³ api-ms-win-core-processthreads-l1-1-1.dll
³ ³ ³ api-ms-win-core-profile-l1-1-0.dll
³ ³ ³ api-ms-win-core-rtlsupport-l1-1-0.dll
³ ³ ³ api-ms-win-core-string-l1-1-0.dll
³ ³ ³ api-ms-win-core-synch-l1-1-0.dll
³ ³ ³ api-ms-win-core-synch-l1-2-0.dll
³ ³ ³ api-ms-win-core-sysinfo-l1-1-0.dll
³ ³ ³ api-ms-win-core-timezone-l1-1-0.dll
³ ³ ³ api-ms-win-core-util-l1-1-0.dll
³ ³ ³ api-ms-win-crt-conio-l1-1-0.dll
³ ³ ³ api-ms-win-crt-convert-l1-1-0.dll
³ ³ ³ api-ms-win-crt-environment-l1-1-0.dll
³ ³ ³ api-ms-win-crt-filesystem-l1-1-0.dll
³ ³ ³ api-ms-win-crt-heap-l1-1-0.dll
³ ³ ³ api-ms-win-crt-locale-l1-1-0.dll
³ ³ ³ api-ms-win-crt-math-l1-1-0.dll
³ ³ ³ api-ms-win-crt-multibyte-l1-1-0.dll
³ ³ ³ api-ms-win-crt-private-l1-1-0.dll
³ ³ ³ api-ms-win-crt-process-l1-1-0.dll
³ ³ ³ api-ms-win-crt-runtime-l1-1-0.dll
³ ³ ³ api-ms-win-crt-stdio-l1-1-0.dll
³ ³ ³ api-ms-win-crt-string-l1-1-0.dll
³ ³ ³ api-ms-win-crt-time-l1-1-0.dll
³ ³ ³ api-ms-win-crt-utility-l1-1-0.dll
³ ³ ³ application.ini
³ ³ ³ breakpadinjector.dll
³ ³ ³ chrome.manifest
³ ³ ³ crashreporter.exe
³ ³ ³ crashreporter.ini
³ ³ ³ d3dcompiler_47.dll
³ ³ ³ dependentlibs.list
³ ³ ³ firefox.exe
³ ³ ³ firefox.VisualElementsManifest.xml
³ ³ ³ freebl3.chk
³ ³ ³ freebl3.dll
³ ³ ³ IA2Marshal.dll
³ ³ ³ lgpllibs.dll
³ ³ ³ libEGL.dll
³ ³ ³ libGLESv2.dll
³ ³ ³ maintenanceservice.exe
³ ³ ³ maintenanceservice_installer.exe
³ ³ ³ minidump-analyzer.exe
³ ³ ³ mozavcodec.dll
³ ³ ³ mozavutil.dll
³ ³ ³ mozglue.dll
³ ³ ³ Mozilla.cfg
³ ³ ³ msvcp140.dll
³ ³ ³ nss3.dll
³ ³ ³ nssckbi.dll
³ ³ ³ nssdbm3.chk
³ ³ ³ nssdbm3.dll
³ ³ ³ omni.ja
³ ³ ³ pingsender.exe
³ ³ ³ platform.ini
³ ³ ³ plugin-container.exe
³ ³ ³ plugin-hang-ui.exe
³ ³ ³ qipcap.dll
³ ³ ³ softokn3.chk
³ ³ ³ softokn3.dll
³ ³ ³ ucrtbase.dll
³ ³ ³ update-settings.ini
³ ³ ³ updater.exe
³ ³ ³ updater.ini
³ ³ ³ vcruntime140.dll
³ ³ ³ xul.dll
³ ³ ³
³ ³ browser
³ ³ ³ ³ blocklist.xml
³ ³ ³ ³ chrome.manifest
³ ³ ³ ³ crashreporter-override.ini
³ ³ ³ ³ omni.ja
³ ³ ³ ³
³ ³ ³ defaults
³ ³ ³ ³ preferences
³ ³ ³ ³ activate.js
³ ³ ³ ³
³ ³ ³ extensions
³ ³ ³ ³ {972ce4c6-7e08-4474-a285-3208198ce6fd}.xpi
³ ³ ³ ³
³ ³ ³ features
³ ³ ³ ³ aushelper@mozilla.org.xpi
³ ³ ³ ³ clicktoplay-rollout@mozilla.org.xpi
³ ³ ³ ³ e10srollout@mozilla.org.xpi
³ ³ ³ ³ firefox@getpocket.com.xpi
³ ³ ³ ³ followonsearch@mozilla.com.xpi
³ ³ ³ ³ screenshots@mozilla.org.xpi
³ ³ ³ ³ shield-recipe-client@mozilla.org.xpi
³ ³ ³ ³ webcompat@mozilla.org.xpi
³ ³ ³ ³
³ ³ ³ VisualElements
³ ³ ³ VisualElements_150.png
³ ³ ³ VisualElements_70.png
³ ³ ³
³ ³ defaults
³ ³ ³ pref
³ ³ ³ channel-prefs.js
³ ³ ³
³ ³ dictionaries
³ ³ ³ en-US.aff
³ ³ ³ en-US.dic
³ ³ ³
³ ³ distribution
³ ³ ³ extensions
³ ³ ³ uBlock0@raymondhill.net.xpi
³ ³ ³
³ ³ fonts
³ ³ ³ EmojiOneMozilla.ttf
³ ³ ³
³ ³ gmp-clearkey
³ ³ 0.1
³ ³ clearkey.dll
³ ³ manifest.json
³ ³
³ MultiRes
³ ³ MultiRes.exe
³ ³ MultiRes.exe.manifest
³ ³ MultiRes.htm
³ ³ MultiRes.ini
³ ³
³ Sophos
³ ³ SophosGui.exe
³ ³ unzip.exe
³ ³ WGet.exe
³ ³
³ xCHM
³ xchm-1.23win32.exe
³
sources
boot.wim
The boot.wim that lives in sources and is fairly large (991,263,822 bytes) because when building with winbuilder, you can choose to have your programs run from RAM which puts them all in the boot.wim. The boot.wim also has several drivers installed so it should theoretically work on several different makes and models of laptops and desktops.
I have tried all kinds of combinations (so many I can't remember them all frankly) but I'm hoping that from looking at the file structure above, someone can provide some insight or some example menu entries.

Since this post, I managed to get my Win 7 PE to boot correctly with the following menu:
kernel http://${fog-ip}/iso/winpe/wimboot
# next two lines are from the AIK
initrd http://${fog-ip}/iso/winpe/amd64/boot/bcd BCD
initrd http://${fog-ip}/iso/winpe/amd64/boot/boot.sdi boot.sdi
# this is the boot.wim built by Winbuilder (theoven.org)
initrd http://${fog-ip}/iso/winpe/boot.wim boot.wim
# bootmgr.exe comes from the Windows 7 source CD by mounting sources\boot.wim via DISM /Mount-Wim /WimFile:sources\boot.wim /Index:1 /MountDir:e:\mount
# and copying bootmgr.exe from e:\mount\Windows\Boot\PXE
initrd http://${fog-ip}/iso/winpe/bootmgr.exe bootmgr.exe
# imgstat
# prompt
boot

I am tracking this over at the FOG project forum.