Tag Archives: adfs

Fixing ADFS AADSTS50008: Unable to verify token signature. The signing key identifier does not match any valid registered keys

Today my Office 365 ADFS sign in process was broken. Skype for Business (running from Office 365) wouldn’t sign in, and when I tried to sign in to portal.office.com I ended up at a page saying: Sign In Sorry, but … Continue reading

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Create a PFX file from separate private and public key certificate files

Whilst installing ADFS I needed to import my wildcard certificate. This proved fiddly as Microsoft need it to be in pfx format, and I only had separate private .key and public .crt files. PFX is a Microsoft certificate format that combines the … Continue reading

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Posted in Security, Windows | Tagged , , , , , , , , , , , , , | 2 Comments