Installing Windows 10 Feature Updates on an Full Disk Encrypted (FDE) system
When installing a Windows 10 Feature Update,
You see the following:
0xC1900101 - 0x20017
The installation failed in the SAFE_OS phase with an error during BOOT operation.
This error message is shown when Windows fails to install a Feature update on a Full Disk Encrypted (FDE) Workstation. Windows will fail to install a Feature Update if you do not specify the location of the encryption drivers as part of the installation process.
ESET Endpoint Encryption (EEE) has a preset SetupConfig.ini file which specifies the necessary parameters to allow Windows to install Feature Updates seamlessly through the built-in Windows Update mechanism found in Settings. To update in this manner, first ensure you are running the latest version of EEE, then search for Check for updates in the Start Menu and follow the shortcut to the Windows Settings.
If you have are attempting to upgrade Windows using a new Windows ISO file, then you must follow this article instead:
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