Let’s say you have a SharePoint App deployed on SharePoint Online, in Microsoft Office 365, and working since many months ago. Suddenly, it stops working and when you try to access it, you get back an exception like this: System.IdentityModel.Tokens.SecurityTokenException: Invalid JWT token. Could not resolve issuer token. That’s what happened to me today (I […]Read more
Paolo PialorsiFounder & Solution Architect at PiaSys
I'm a Solution Architect, author and trainer, focused on Microsoft 365 development and customization. I'm based in Italy, but I work wherever it is needed. I'm a Microsoft Certified Solution Master on SharePoint and an MVP on Office Apps & Services.