Windows Server 2019 Installation Failed
Although Windows Server 2025 has come out, some of you still run the old versions of the Server operating system. Due to some reason, you choose to upgrade from Windows Server 2012R2 to Server 2019 via an in-place upgrade. However, sometimes you suffer from the error we couldn’t install Windows Server 2019.
In the Windows Server 2019 Setup interface, you see this message. Besides, the screen says “We’ve set your PC back to the way it was right before you started installing Windows Server 2019”. And an error code also shows up, like:
1. 0xC1900101 – 0x4000D
The installation failed in the SECOND_BOOT phase with an error during MIGRATE_DATA operation
Related post: Fix Windows 10 Upgrade Error 0xC1900101 – 0x4000D [Solved]
2. 0xC1900101 – 0x30018
The installation failed in the FIRST_BOOT phase with an error during SYSPREP operation
3. 0xC1900101 – 0x20017
The installation failed in the SAFE_OS phase with an error during BOOT operation
The main reasons for the installation failure are hardware requirements not meeting, corrupted system files, and more. For an in-place upgrade, make sure the server you are running supports Server 2019 in-place upgrade since the update isn’t always feasible. See the figure to know supported upgrade paths:
Fixed: We Couldn’t Install Windows Server 2019
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Way 1. Check PC Specifications
Check your computer and make sure it meets the minimum system requirements of Windows Server 2019. To do this, press Win + R, type msinfo32,and click OK. To check your disk space, move to Windows Explorer. If the device meets requirements but the Windows Server 2019 Setup error appears, try other fixes below.
Way 2. Disconnect All External Devices
When receiving Windows Server installation has failed, you can try to remove all the peripheral equipment including USB flash drives, printers, scanners, keyboards, mouses, external hard drives, etc. Then, try to update to Server 2019 to see if the issue still exists.
Way 3. Update Device Drivers
Sometimes the error code 0xC1900101 happens during the Windows Server 2019 in-place upgrade process due to incompatibility between the system and drivers or corrupted device drivers. To solve we couldn’t install Windows Server 2019, update drivers to the latest version.
To update drivers, you can go to Device Manager, right-click on the device and choose Update driver. Then, follow the instructions on the screen to finish the update. Alternatively, you can use a professional driver update tool to update all the old drivers.
Way 4. Disable Any Third-Party Antivirus Software
During the installation process of Server 2019, you can try to disable any third-party antivirus program since it may block the update process. Based on the software, the ways to disable it are different. Sometimes, you need to uninstall it.
Way 5. Run SFC and DISM
Windows Server 2019 installation failed error code 0xC1900101 may happen due to corrupted system files. To repair the corruption, try to run an SFC scan: execute the command – sfc /scannow in the Command Prompt. If this fails, try this command – DISM.exe /Online /Cleanup-image /Restorehealth.
Way 6. Perform Windows Server 2019 Clean Install
If all the ways cannot do the trick, try to clean install Server 2019 when receiving we couldn’t install Windows Server 2019.
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Step 1: Download Windows Server 2019 ISO and burn it to a USB flash drive using Rufus.
Step 2: Restart the PC from this bootable USB drive and enter the installation interface.
Step 3: After selecting a language and other preferences, click Install now.
Step 4: Complete the installation by following the instructions on the screen.