Bitlocker

Remove Key Protectors

$vol = Get-Bitlockervolume -Mountpoint "C:"
# [0] position of keyprotector to remove
Remove-BitLockerKeyProtector -MountPoint "C:" -KeyProtectorId $vol.KeyProtector[0].KeyProtectorId

Get Windows Event Logs

Get-WinEvent -logname "Microsoft-Windows-BitLocker/BitLocker Management"  | Export-Csv -Path Bitlocker-Operational.csv

Get-WinEvent -FilterHashtable @{LogName='System'} | Where-Object -Property Message -Match 'BitLocker' | Export-Csv -Path System-BitLocker.csv