TL;DR Every Azure Bot has a fixed identity (MicrosoftAppId) tied to either an App Registration or a Managed Identity—it cannot be changed or reused. Azure Bot supports three identity types: ...

TL; DR: Installing the latest .NET runtime on a server does not upgrade existing applications that are built on unsupported versions (for example, anything older than .NET 8 as of Nov 2025). Appl...

Issue Observed A customer removed an expired SSL certificate from their Azure VM after installing a renewed one. However, after every reboot, the old certificate reappeared, and IIS site bindings a...

Troubleshooting File Upload Error: 413 Request Body Too Large in .NET Core When working with file uploads in .NET Core, you might encounter the 413 "Request Body Too Large" error even if the maxAll...

Enabling Client Certificate Authentication for an Application Inside Default Web Site In this blog, we will explore how to enable client certificate authentication for a specific application hosted...

Introduction In today’s API-driven world, automated scripts—especially those using Python libraries like httpx—can pose a risk if left unchecked. While many of these scripts are legitimate, some ar...

Introduction Reverse proxies are essential in modern web architectures, especially for isolating backend services and enforcing security. However, SSL certificate issues can introduce complex chall...

🔍 Overview If you've encountered the following error in your Windows Event Viewer: “The IIS Admin Service service terminated with the following service-specific error: Invalid Signature” you'r...

Collecting memory dumps is a crucial part of diagnosing and troubleshooting application issues on Linux machines. Microsoft suggests three primary tools for this purpose: dotnet-dump, procdump, and c...

Issue: In ASP.NET applications, temporary files are generated during compilation and runtime. By default, these files are stored in system directory at:  C:\Windows\Microsoft.NET\Framework[64]\<ver...