powershell-scripts/registry-backup/README.md

Registry Backup Scripts

Scripts for backing up GE Aircraft Engines registry keys for disaster recovery and auditing.

Quick Start

Backup-GERegistry.bat

Or with custom backup path:

Backup-GERegistry.bat "\\server\share\backups"

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Batch Launchers (Entry Points)

Batch File	Purpose
Backup-GERegistry.bat	Main launcher for registry backup

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PowerShell Scripts

Backup-GERegistry.ps1

GE Registry backup utility - Backs up GE Aircraft Engines registry keys from both 32-bit and 64-bit locations.

What it does:

1. Reads machine number from GE registry or extracts from hostname
2. Gets serial number from BIOS
3. Exports registry keys from both locations:
   • HKLM:\Software\GE Aircraft Engines (32-bit)
   • HKLM:\Software\WOW6432Node\GE Aircraft Engines (64-bit)
4. Saves backup files to network share

Usage:

# Interactive backup with console output
.\Backup-GERegistry.ps1

# Silent backup (for scheduled tasks)
.\Backup-GERegistry.ps1 -Silent

# Custom backup path
.\Backup-GERegistry.ps1 -BackupPath "\\server\share\backups"

Parameters:

Parameter	Default	Description
-BackupPath	S:\DT\cameron\scan\backup\reg	Network path for backup files
-Silent	$false	Suppress console output

Output Filename Format:

[machinenumber-]serialnumber-YYYY-MM-DD.reg

Examples:
3104-G4B48FZ3ESF-2025-12-10.reg
7402-G9WP26X3ESF-2025-12-10.reg

Registry Keys Backed Up:

• DNC Configuration (EFOCAS, SERIAL, NTSHR, etc.)
• DualPath settings (Path1Name, Path2Name)
• Machine number assignments
• Communication settings
• All GE Aircraft Engines subkeys

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Batch File Launchers

File	Purpose
Backup-GERegistry.bat	Standard launcher for registry backup

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Requirements

• PowerShell 5.1 or later
• Read access to registry
• Write access to backup network share
• Works without administrator privileges (registry read-only)

Use Cases

Manual Backup Before Changes

# Before making registry changes, create a backup
.\Backup-GERegistry.ps1

Automated Scheduled Backup

# In scheduled task, run silently
.\Backup-GERegistry.ps1 -Silent

Restore from Backup

# Double-click the .reg file or run:
regedit /s "\\server\share\backups\3104-G4B48FZ3ESF-2025-12-10.reg"

Backup Contents

The backup .reg file includes:

• Complete GE Aircraft Engines registry tree
• DNC service configurations
• Machine communication settings
• Serial port assignments
• DualPath configurations
• Custom GE software settings

Important Notes

• Backups are named with machine number (if available) for easy identification
• Both 32-bit and 64-bit registry locations are exported
• Existing backups are not overwritten (date is included in filename)
• Silent mode is recommended for scheduled tasks to avoid interrupting users