authentication

Whilst running some SharePoint Online PowerShell commandlets, or connecting to a SharePoint Online site from your app, you get the following (or similar) error about your SharePoint Online credentials being unauthorized for something you should defin...

So, a while ago I posted about a fairly simple way to write your code for fetching secrets (and other confidential stuff) from Azure Key Vault in such a way, that it would work the same way both in Azure and on your local dev box....

Sometimes you'll need the default identity for your ASP.NET Core application, but want to disable the registration of new users. Sounds pretty basic, right?...

This post details my very simple solution to an extremely unnecessary and kind-of simple error that I encountered when logging into SharePoint....

Another day, another unsuccessful authentication attempt, and another cool error code. I encountered his one whilst building a little POC that was supposed to authenticate against Graph API. This time, I was thrown an "AADSTS700054" error.....

So, you have an error with the code AADSTS50011? That's ok - it's just Azure AD's authentication acting up because of invalid reply URLs! Most of the time, it's a simple configuration issue....

Every now and then, something like half of Microsoft's websites will suddenly stop working - this applies to at least Azure Portal, SharePoint Online sites, MSDN forums, Office Online, and probably a thousand other sites....

Ah, everyone's favorite, classic topic! Debugging SharePoint On-Premises configuration issues is the best thing since sliced bread, right?...

This post describes how to fix Windows Authentication on a SharePoint server that is failing on other local addresses other than localhost....