Blazor on Paul Clephan | Intune, ConfigMgr, SCCM & Windows Management Bloghttps://clefsoft.co.uk/tags/blazor/Recent content in Blazor on Paul Clephan | Intune, ConfigMgr, SCCM & Windows Management BlogHugoen-gbFri, 21 Aug 2026 09:15:00 +0100A Blank Page for Every Anonymous User: How One Global Auth Policy Broke Blazor's Own Framework Endpointshttps://clefsoft.co.uk/posts/blazor-fallbackpolicy-blank-page/Fri, 21 Aug 2026 09:15:00 +0100https://clefsoft.co.uk/posts/blazor-fallbackpolicy-blank-page/I added a public landing page to a Blazor Server app and it rendered as a blank white screen — not just that page, every page, for every anonymous user. No server-side exception. The cause was a global FallbackPolicy quietly gating Blazor’s own internal SignalR endpoints.