ReAgentC will not enable

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  1. Posts : 10
    Windows 10 Pro x64 v1909 (10.0.18363)
    Thread Starter
       #11

    SIW2 said:
    You could get a copy of the entire recovery folder including winre.wim from the installation media and put it in c:\windows\system32\ .

    Then try running reagentc

    Easily done with 7-zip
    (and)
    The recover folder is inside install.wim or install.esd.

    As shown in the picture I posted HERE
    NavyLCDR said:
    You have to mount an image from the install.esd or install.wim file contained in the Sources folder of the USB flash drive. Use dism to mount the image. Once you have an image mounted, then you can find the C:\Windows\System32\Recovery folder and it should have windowsre.wim.
    Oh derp!

    Copying the Recovery folder from a known-good-working computer and pasting it to the not-working computer does not work. C:\Windows\System32\Recovery\ReAgent_Merged.xml1 file is custom created on-the-fly for each machine.

    1. Check to see if Windows\System32\Recovery\ folder exists;
      • if N skip to next step;
      • if Y rename it RecoveryBUP or something similar, then continue;
    2. using 7-Zip or similar navigate the installation media to ...\Sources\ install.wim or install.esd
    3. double-click either and go to ...\1\Windows\System32\
    4. click the Recovery folder and tell 7-Zip to extract it to the target machine at C:\Windows\System32\;
    5. reboot
    6. Go to Settings > Update & Security > click Recovery in the left menu list;
    7. under Advanced startup click Restart now
    8. You should now see the full Recovery console like this:

    ReAgentC will not enable-advanced-startup-commandprompt.jpg

    MBR2GPT.EXE is a Microsoft program included free in Windows. If running Windows 10 v 1803 or later and the objective is to convert MBR to GPT with NO data loss, MBR2GPT.exe will do that. It is fast and works well. MS posted a video of it in use at their site. There is also an updated step-by-step tutorial at WindowsCentral with pictures. The steps follow:

    In order to enable UEFI on a UEFI-able system that has been using BIOS because it was running Windows 7 or some such, the MBR (master boot record) first must be converted to GPT (GUID partition table):
    • click Command Prompt in the Recovery Console to open an elevated command prompt without the Windows GUI;
    • that should bring you to C:\Windows\System32;
    • type MBR2GPT.exe /validate;
    • type MBR2GPT.exe /convert and await the successful conversion;
      • there may be an error message about reagentc.exe, you can ignore that until after you change the CMOS/BIOS settings

    now change BIOS to UEFI:
    • reboot and tap F12 continuously before the Windows logo appears (or whatever key your device requires to enter the BIOS settings)
    • change boot to UEFI from BIOS & reboot
    • DONE

    Now, ensure the Recovery console is as you want it...
    1. In Windows launch an elevated command prompt and navigate to C:\Windows\System32
    2. type reagentc /info and tap [enter], if disabled
    3. type reagentc /enable and tap [enter]

    RESOLVED & DONE with much thanks to SIW2 and NavyLCDR!
      My Computer

  2. SIW2's Avatar
    Posts : 1,987
    trying to install win10
       #12

    You're welcome. Glad you got it working.
      My Computer


  3. Posts : 170
    Pro 20H2
       #13

    dalchina said:
    reagentc /setreimage /path \\?\GLOBALROOT\device\harddisk0\partition1\Recovery\WindowsRE
    Good!
      My Computer


 
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