---
title: "IIS articles — Ivan Kahl"
description: "Articles by Ivan Kahl about IIS."
url: https://ivankahl.com/blog/tags/iis/
---

Blog · Topic

# IIS

1 article tagged IIS.

## 2018

01 Aug 2018

### [Fixing "Class not registered" error in Sage CRM .NET pages](https://ivankahl.com/blog/fixing-class-not-registered-error-in-sage-crm-net-pages/)

A July 2018 Windows update can break Sage CRM .NET pages with a "Class not registered" error. A small IIS authentication change resolves it.

1 min read