Howell Services
Sharing my professional development journey towards security consulting and penetration testing.
Explore tools, insights, and projects from my work in IT.
Recent Posts
Migration Guide: GroupWise to Exchange Online
A comprehensive guide to migrating from Novell GroupWise to Microsoft Exchange Online, covering prerequisites, migration steps, and support scripts.
Recent Projects
Kerberos Delegation Diagnostic Tool
A single-file PowerShell diagnostic script for troubleshooting Kerberos delegation failures between Power BI Gateway and SQL Server in Resource-Based Constrained Delegation (RBCD) environments.
Enterprise OneDrive & SharePoint Uploaders
PowerShell scripts for bulk file uploads to OneDrive for Business and SharePoint using the Microsoft Graph API, with parallel processing, resume capability, and rate limit handling.