PsTools ｜ Microsoft genuine tool that can be used for offline authentication of Windows 10

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I have found a way to activate Windows 10 offline, so I will share it.

Offline authentication means completing the activation process of Windows 10 in a standalone environment without a network environment.

The key is

It is a registry key {7746D80F-97E0-4E26-9543-26B41FC22F79}, but when accessed, it returns a "key open error" so it cannot be backed up.

Well, the main subject.

PsTools is a tool that starts Registry Editor with access to {7746D80F-97E0-4E26-9543-26B41FC22F79}.

PsTools is a genuine Microsoft tool.

This is useful when you want to perform a clean installation of Windows 10 without a network environment.

• Not connected to the network
• Windows 10 activation is complete
• Are familiar with operating the registry

I'm glad if you can use it as a reference.

Causes of access denied

Windows 10 has additional registry keys that are required when backing up or restoring.

The additional registry key is {7746D80F-97E0-4E26-9543-26B41FC22F79} and is required for offline authentication.

Although mandatory, backing up the registry database in the normal way excludes {7746D80F-97E0 -...} from the backup.

Key open error

\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\{7746D80F-97E0-4E26-9543-26B41FC22F79}

Transcription

"Unable to open {7746D80F-97E0-4E26-9543-26B41FC22F79}.
This key cannot be opened due to an error.
Details: Access is denied. "

How to restore activation information offline

Registry operations are at your own risk

Before working with Registry Editor
Make a backup copy of your registry in case something goes wrong.

1. Start Registry Editor with SYSTEM privileges

[procedure]

1. Download PsTools
2. Unzip PSTools.zip anywhere
3. Start the command prompt in administrator mode
4. Execute a command
   
   psexec -i -s regedit.exe
5. Registry Editor starts with SYSTEM privileges
6. End of procedure

When the PsTools folder exists in C:\Temp\Pstools, enter the command as follows.

c:\_	Administrator: Command prompt	ー □ ×
C:\WINDOWS\system32 >cd C:\Temp\PsTools C:\Temp\PSTools >psexec -i -s regedit.exe Or C:\WINDOWS\system32 >C:\Temp\PsTools\psexec -i -s regedit.exe

 External link

• PsTools download include | Microsoft Docs

2. Back up the registry

Create a backup file .reg with a registry editor started with SYSTEM permissions

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\{7746D80F-97E0-4E26-9543-26B41FC22F79}

3. Backup activation information

Back up the file containing the activation information

• %SystemRoot%\System32\spp\store\2.0\data.dat
• %SystemRoot%\System32\spp\store\2.0\tokens.dat
• %SystemRoot%\System32\spp\store\2.0\cache\cache.dat

4. Clean install Windows 10

The image file can be downloaded from the official Microsoft website.

5. Restore the backed up .dat and .reg

[procedure]

1. Stop software licensing service
   
   > Net stop sppsvc
2. Copy the backed up .dat to the original location
3. Start Registry Editor with SYSTEM permissions
   
   > Psexec -i -s regedit.exe
4. Import the backed up .reg file
5. Restart your PC

[Execution example]

c:\_	Administrator: Command prompt	ー □ ×
C:\WINDOWS\system32 >net stop sppsvc C:\WINDOWS\system32 >psexec -i -s regedit.exe

Afterword

Reproduce the information source about {7746D80F-97E0-4E26-9543-26B41FC22F79}.

In Windows 10, there are additional registry keys that need to be backed up and restored and you can't access this key in the usual way.

The key in question is:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\{7746D80F-97E0-4E26-9543-26B41FC22F79}

When I run Regedit and go to that key, I get the "Access Denied" message. Furthermore, you cannot change the ownership or permissions of that key.
Windows 10 Forums

After doing a clean install (on the same hardware!), The procedure to restore activation information is:
-Stop the software licensing service on the command line: net stop sppsvc
-Copy back the three .dat files to their respective locations
-Run psexec -i -s regedit.exe again and import the previously backed-up .reg file
-Restart the computer.
Windows 10 Forums

 External link

• PsTools download include | Microsoft Docs
• PsTools download include | technet.microsoft.com

：SC2

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