$reportFile = Join-Path $BackupPath "backup_report.txt" $report | Out-File -FilePath $reportFile
$hosts = Get-VMHost foreach ($esxiHost in $hosts) try $tpmKey = Get-VMHostTpmRecoveryKey -VMHost $esxiHost $keyFile = Join-Path $BackupPath "Host_$($esxiHost.name)_tpm.key" $tpmKey.PlainText catch Write-Host "No TPM or key retrieval failed for: $($esxiHost.name)" -ForegroundColor Yellow vmware tpm encryption recovery key backup
# Add to crontab (weekly backup) 0 2 * * 1 /opt/scripts/tpm-backup.sh | Key Type | Rotation Frequency | Retention | |----------|-------------------|-----------| | VM encryption keys | Never (unless compromised) | Permanent | | Host TPM keys | Each host maintenance | 3 generations | | Recovery passwords | Every 90 days | 5 years | Part 7: Compliance Considerations Documentation Requirements Create a key inventory document (stored separately from keys): $reportFile = Join-Path $BackupPath "backup_report
# Create scheduled task $action = New-ScheduledTaskAction -Execute "PowerShell.exe" ` -Argument "-File C:\scripts\tpm-backup.ps1" $trigger = New-ScheduledTaskTrigger -Weekly -DaysOfWeek Monday -At 1AM Register-ScheduledTask -TaskName "TPM-Key-Backup" -Action $action -Trigger $trigger vmware tpm encryption recovery key backup