Les aventures du CTO

A deep dive into Active Directory LDAPS certificate selection, detailing the technical intricacies of ensuring secure communications through TLS. This guide covers the validation and selection process, including PowerShell scripts for certificate management, aiming to clarify and resolve common issues with LDAPS implementation.

This post tackles the challenges of RDP Network Level Authentication (NLA) with Azure AD, labeled as the PKU2U nightmare, offering detailed solutions for common problems. It addresses enabling PKU2U authentication, Azure AD workplace joining, the correct Azure AD username format, and third-party application support, providing both technical insights and practical steps to mitigate these issues in Azure AD environments.

Navigate through the confusion of "the specified user name does not exist" error during RDP smartcard logon, offering insights into common misinterpretations and actionable solutions. This post breaks down error messages, suggests disabling strict KDC validation, and guides on certificate trust validation, ensuring successful authentication with practical steps and PowerShell commands.

This guide demystifies the "TrustedHosts" setting in PowerShell remoting, explaining its significance and how to configure it to avoid common errors. It offers solutions for enabling remote connections, particularly when Kerberos or HTTPS isn't used, ensuring security and connectivity for non-domain-joined machines or across different domains.

Unpack the dilemma between Cloud Kerberos Trust and Key Trust in Windows Hello for Business deployments. This post navigates through troubleshooting login issues, clarifying deployment types, and offering solutions for transitioning between deployment models with Group Policy and PowerShell, ensuring a smoother Windows Hello setup and operational reliability.

Resolve RDP NLA issues on domain-joined devices outside the corporate network by configuring a scheduled task to fetch the Kerberos machine TGT at startup. This practical solution ensures secure, remote desktop access without compromising network security, detailed with step-by-step instructions and troubleshooting tips.

Explore the correct method to disable Web Proxy Auto Detect (WPAD) in Windows to enhance security without breaking essential components. This guide clarifies common misconceptions and provides a safe approach using registry modifications, avoiding potential pitfalls associated with service deactivation.