🧾 RegToXML GPP Converter (v1.3)

Convert Windows Registry .reg files to Group Policy Preferences-compatible XML files using PowerShell.

This script simplifies the process of deploying multiple registry settings via GPO. Instead of manually editing XML, you can export registry settings from a reference machine and convert them into GPP XML using this tool.

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💡 What does it do?

This PowerShell script converts exported Windows Registry files (.reg) into XML format for use with Group Policy Preferences. It supports all common registry value types:

• REG_SZ
• REG_EXPAND_SZ
• REG_MULTI_SZ
• REG_BINARY
• REG_DWORD
• REG_QWORD

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⚙️ Prerequisites

• PowerShell version 3 or higher
• A valid .reg file (e.g., exported from a reference machine)

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📦 Parameters

Parameter	Required	Description
FilePath	✅ Yes	Full path to the .reg file
ActionType	❌ No	GPP action to apply: Create, Delete, Update, or Replace (default: Update)

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🚀 Usage Examples

# Basic conversion (default action = Update)
Convert-RegToGppXml.ps1 -FilePath "C:\MyTestRegFile.reg"

# With spaces in path
Convert-RegToGppXml.ps1 -FilePath "C:\Sub Folder\MyTestRegFile.reg"

# Specify action type (e.g., Create)
Convert-RegToGppXml.ps1 -FilePath "C:\MyTestRegFile.reg" -ActionType Create

# Combine path with custom action
Convert-RegToGppXml.ps1 -FilePath "C:\Sub Folder\MyTestRegFile.reg" -ActionType Replace

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📝 Notes

• Only .reg files with standard formatting are supported.
• Paths and values are preserved and translated to the correct GPP structure.
• The generated XML conforms to Microsoft's GPP schema.

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🙋 Feedback & Contributions

If you find this project useful or have suggestions, feel free to:

• ⭐ Star the repository
• 🐛 Submit issues
• 🔧 Contribute improvements via pull request

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🔗 Related Projects

Active Directory Delegation Wizard https://github.com/janweis/Active-Directory-Delegation-Powershell-Wizard