SIDSentinel 🛡️

SIDSentinel is a PowerShell auditing toolkit that detects duplicate Security Identifiers (SIDs / dual SPIDs) across Windows user accounts prior to upgrading systems to Windows 11.

Duplicate SIDs can cause:

• Profile corruption
• Group Policy failures
• Permission conflicts
• Windows 11 upgrade failures

This project is designed for system administrators, DevOps engineers, and security teams.

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Features

• Local user SID discovery
• Domain user SID discovery
• Duplicate SID detection
• CSV export for reporting
• Read-only / safe execution

Requirements

• Windows 10 / 11
• PowerShell 5.1+
• RSAT (for domain scans)

Usage

.\scripts\powershell\Get-LocalUserSIDs.ps1
.\scripts\powershell\Get-DomainUserSIDs.ps1
.\scripts\powershell\Detect-DuplicateSIDs.ps1

Output

Reports are saved to the output/ directory.

License

MIT