By Fredrik Brattstig @virtualbrat 2025-December-17Since last Friday (12 December 2025) - users using IGEL AVD might experience the "AADSTS50011: The redirect URI ' specified in the request does not match the redirect URIs configured for the application 'fa4345a4-a730-4230-84a8-7d9651b86739'. " error when logging in to AVD, braking the login, and hinders accessing apps and desktops. Here is a breakdown of the problem:

By Fredrik Brattstig @virtualbrat 2025-December-17Since last Friday (12 December 2025) - users using IGEL AVD might experience the "AADSTS50011: The redirect URI ' specified in the request does not match the redirect URIs configured for the application 'fa4345a4-a730-4230-84a8-7d9651b86739'. " error when logging in to AVD, braking the login, and hinders accessing apps and desktops. Here is a breakdown of the problem:

By Fredrik Brattstig @virtualbrat 2025-December-17Since last Friday (12 December 2025) - users using IGEL AVD might experience the "AADSTS50011: The redirect URI ' specified in the request does not match the redirect URIs configured for the application 'fa4345a4-a730-4230-84a8-7d9651b86739'. " error when logging in to AVD, braking the login, and hinders accessing apps and desktops. Here is a breakdown of the problem:

IGEL Dual Boot is a solution enhancing Business Continuity and Disaster Recovery by allowing users to easily switch between Windows and IGEL OS on the same device. This capability ensures productivity during IT failures, facilitates gradual migration to cloud systems, and incorporates the IGEL Preventative Security Model for robust endpoint resilience and security.

By Fredrik Brattstig @virtualbrat The Microsoft Windows 365 Link, a 'Microsoft Local OS Zero Client' (more on why I call it a Zero Client later), is now generally available for purchase of the shelf in extended number of countries. I bought myself one of them, and would like to share my experience with the device. This blog should be able to guide you on when this is the right thing for you, and when it isn't.

Combining YubiKey FIDO2 strong pre-session and PIV in-session authentication for Azure Virtual Desktop and Windows 365!? Discover how to use YubiKeys for FIDO2 authentication and PIV certificate for ...

By Fredrik Brattstig @virtualbrat 25 March 2025 - In the past few weeks virtualbrat.com has published articles about PIV authentication using smart cards and YubiKeys - It's time for a follow-up, and this time it is a brand-new technical breakthrough - FIDO2 Authentication!IGEL CTO Matthias Hass announced the Fido2 authentication for Azure Virtual Desktop and Windows 365 during IGEL Now & Next 2025 today!

By Fredrik Brattstig @virtualbrat February 24 2025IGEL is here with yet another update to the IGEL AVD App, this time introducing H.264 hardware accelerated graphics. As an additional feature, IGEL also included support for seamless desktop integration of Remote Apps. This will be a short blog, where the main focus is on the H.264 acceleration of the RDP session. It will help you leverage that vGPU you have invested in, either in your Azure hosted AVD VMs, Your GPU powered Windows 365 hosts, or even in your on-prem AVD workloads using Azure Local and your own hardware GPUs.

By Fredrik Brattstig @virtualbrat 2025 February 17What is PIV? PIV is an acronym for 'Personal Identity Verification' - which is a US federal government-wide credential. IGEL do support PIV.What is CAC? CAC is an acronym for 'Common Access Card' - Is a standard identification for US defense personell. IGEL supports CAC.Both PIV and CAC = certificates that validate an identity.

Fredrik Brattstig's follow-up article delves into the use of IGEL OS for secure certificate-based authentication with EntraID and smart cards in environments combining Windows 365 and Azure Virtual Desktop. It highlights the efficiency of smart card authentication, allowing users to seamlessly roam between kiosk stations with minimal login time. The solution enhances security through custom AppIDs and facilitates streamlined user experiences in varied organizational settings, ensuring productivity while maintaining a Zero Trust framework.

By Fredrik Brattstig @virtualbrat 2025-February-11Anyone wanting strong authentication for their virtual desktops and choosing Windows 365 will probably consider Smart Card Authentication. Rest assured, IGEL got you covered!Here are some tips and tricks that you might find useful for configuring your IGEL OS 12 estate to utilize Smart Card login for Windows 365! Prerequisites: Let's start by the authentication prerequisites.