CryptographicException “Key not valid for use in specified state.” while trying to export RSAParameters of a X509 private key

Question

I am staring at this for quite a while and thanks to the MSDN documentation I cannot really figure out what\'s going. Basically I am loading a PFX file from the disc into a

Answer 1

Old post, but maybe can help someone. If you are using a self signed certificate and make the login with a different user, you have to delete the old certificate from storage and then recreate it. I've had the same issue with opc ua software