Create Windows 10 ISO image from Existing Installation  

D18x said:

Please try to use a Microsoft official .iso

My ISO was downloaded from TechBench by WZT (v4.1.1), which provides direct download links to official Windows ISO files.

D18x said:

use a tool like Rufus.exe for example in order to create the bootable device.

I have never used and will probably never use it to create a bootable Windows device.

Matthew Wai said:

My ISO was downloaded from TechBench by WZT (v4.1.1), which provides direct download links to official Windows ISO files.


I have never used and will probably never use it to create a bootable Windows device.

I always download the .iso from DevicepartnerCenter. This is the Official Microsoft repository for Microsoft OEM's.
I never that this problem before (Reagentc.exe = Disabled). If you have this problem, based on what you described, this is probably related with the UEFI/Legacy (CSM) Options on your BIOS/Settings on wich you've created the bootable USB Thumb drive.

My question, is related with this tutorial here. after building the custom .iso, i get the Reagentc.exe=Disabled

D18x said:

this is probably related with the UEFI/Legacy (CSM) Options on your BIOS/Settings on wich you've created the bootable USB Thumb drive.

See my settings in this post: Understanding the UEFI BIOS Gigabyte H81M-S for Windows 10 Pro x64

D18x said:

The only problem is after installation, the Reagentc.exe is set to disabled...

The simple solution is Reagentc /enable

My report:

Code:

PS C:\Windows\system32> Reagentc /enable
REAGENTC.EXE: Unable to update Boot Configuration Data.

PS C:\Windows\system32> Reagentc /enable
REAGENTC.EXE: Operation Successful.

PS C:\Windows\system32> reagentc /info
Windows Recovery Environment (Windows RE) and system reset configuration
Information:


    Windows RE status:         Enabled

Matthew Wai said:

My report:

Code:

PS C:\Windows\system32> Reagentc /enable
REAGENTC.EXE: Unable to update Boot Configuration Data.

PS C:\Windows\system32> Reagentc /enable
REAGENTC.EXE: Operation Successful.

PS C:\Windows\system32> reagentc /info
Windows Recovery Environment (Windows RE) and system reset configuration
Information:


    Windows RE status:         Enabled

This output is from what configuration? What .iso have you used? Did you use the tutorial here?

D18x said:

What .iso have you used?

Win10_1903_V1_English_x64.iso

D18x said:

Did you use the tutorial here?

No, I did not read it. I don't know what it is.

D18x said:

This output is from what configuration?

Code:

PS C:\Windows\system32> reagentc /info
Windows Recovery Environment (Windows RE) and system reset configuration
Information:    

Windows RE status:         Enabled    
Windows RE location:       \\?\GLOBALROOT\device\harddisk0\partition2\Recovery\WindowsRE    
Boot Configuration Data (BCD) identifier: adf54a86-0f81-11ea-9d9f-e0d55ecc65a3    
Recovery image location:   
Recovery image index:      0    
Custom image location:    
Custom image index:        0

REAGENTC.EXE: Operation Successful.

Matthew Wai said:

Win10_1903_V1_English_x64.iso


No, I did not read it. I don't know what it is.

Code:

PS C:\Windows\system32> reagentc /info
Windows Recovery Environment (Windows RE) and system reset configuration
Information:    

Windows RE status:         Enabled    
Windows RE location:       \\?\GLOBALROOT\device\harddisk0\partition2\Recovery\WindowsRE    
Boot Configuration Data (BCD) identifier: adf54a86-0f81-11ea-9d9f-e0d55ecc65a3    
Recovery image location:   
Recovery image index:      0    
Custom image location:    
Custom image index:        0

REAGENTC.EXE: Operation Successful.

Man... That is what i was trying to tell you... If you perform a clean install of Windows 10, the Reagentc.exe /Info Output will be: "Enabled".

The thing here is that i am trying to build an .iso file, with my custom install.wim and i am not able to get the Reagentc.exe /Info = Enabled, after i install this custom .iso file that i've just created... Got it?