Sysprep Errors

BitLocker Enabled

Error: Sysprep fails with BitLocker error

Solution:

# Check BitLocker status
Get-BitLockerVolume -MountPoint "C:"

# Disable BitLocker
Disable-BitLocker -MountPoint "C:"

# Wait for decryption
Get-BitLockerVolume -MountPoint "C:" | Select-Object VolumeStatus

# Retry Sysprep when VolumeStatus = FullyDecrypted

Provisioned Apps Error

Error: Sysprep fails due to provisioned apps (e.g., Office Hub)

Check error log:

Get-Content C:\Windows\System32\Sysprep\Panther\setuperr.log

Solution:

# Remove problematic app
Get-AppxProvisionedPackage -Online | Where-Object {$_.DisplayName -like "*OfficeHub*"} | Remove-AppxProvisionedPackage -Online

# Retry Sysprep

Sysprep Hangs at Welcome

Cause: Logged in during Sysprep (via RDP)

Solution:

1. Force stop VM in Proxmox
2. Start VM
3. Run Sysprep again via noVNC only
4. Do NOT log in or connect via RDP during Sysprep!