https://clefsoft.co.uk/tags/troubleshooting/Recent content in Troubleshooting on Paul Clephan | Intune, ConfigMgr, SCCM & Windows Management BlogHugoen-gbFri, 21 Aug 2026 09:15:00 +0100https://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.https://clefsoft.co.uk/posts/azure-deploy-zip-backslash-corruption/Fri, 21 Aug 2026 09:00:00 +0100https://clefsoft.co.uk/posts/azure-deploy-zip-backslash-corruption/az webapp deploy kept throwing rsync warnings I’d learned to ignore as noise. They weren’t noise — Compress-Archive was writing backslash paths into the zip, and Linux’s rsync was silently dropping files on every single deploy.https://clefsoft.co.uk/posts/graph-api-gotchas-intune-tooling/Fri, 21 Aug 2026 00:00:00 +0000https://clefsoft.co.uk/posts/graph-api-gotchas-intune-tooling/Three bugs I hit building CET2, none of which showed up in the docs, and none of which threw the error you’d expect: a PowerShell type-coercion trap, a field that lies about its own type, and an endpoint that throws BadRequest instead of returning empty.https://clefsoft.co.uk/news/windows-365-powershell-execution-policy/Sun, 02 Aug 2026 00:00:00 +0000https://clefsoft.co.uk/news/windows-365-powershell-execution-policy/Windows 365 now sets the machine-scope execution policy to RemoteSigned during provisioning. Good for security — but if you enforce AllSigned via Intune or GPO, provisioning can fail, and here’s why.https://clefsoft.co.uk/posts/defender-for-endpoint-ubuntu-2604/Sun, 02 Aug 2026 00:00:00 +0000https://clefsoft.co.uk/posts/defender-for-endpoint-ubuntu-2604/MDE’s deployment tool installs fine on Ubuntu 26.04 — right up until a removed apt-key, a repo it clobbers itself, and a phantom ‘apt is busy’ send you round in circles. Here’s the actual sequence, with the errors.https://clefsoft.co.uk/news/autopilot-esp-timeouts/Sun, 02 Aug 2026 00:00:00 +0000https://clefsoft.co.uk/news/autopilot-esp-timeouts/The Enrolment Status Page times out for boring, fixable reasons — a blocking app that never lands, a device-vs-user phase mismatch, or a Win32 dependency chain that quietly stalls.