WIF10201: No valid key mapping found for securityToken

I recently ran into an issue with one of my applications that uses Azure Active Directory authentication.  The application was working properly and all of a sudden, one day we got this error: WIF10201: No valid key mapping found for securityToken: ‘System.IdentityModel.Tokens.X509SecurityToken’ and issuer: ‘https://sts.windows.net/a66eec53-81f8-482f-a572-c9ba46f14c5d/’. After a lot of search around, I finally found a […]

Announcing: Nebbia Technology

Earlier in the week I talked about starting a new adventure. I started a new technology company called Nebbia Technology.  Nebbia Technology is a software company that specializes in Azure-based solutions and Application Lifecycle Management best practices.  I am putting together a team of top software professionals so we can build an awesome company here […]