When using Single Sign On (SSO), various error messages may occur during login. In this article, we will discuss the error message 'ID4175' and how it can be resolved.

The problem

When logging in with SSO, you receive the following error message:

ID4175 The issuer of the security token was not recognized by the IssuerNameRegistry. To accept security tokens from this issuer, configure the IssuerNameRegistry to return a valid name for this issuer.

The solution

To resolve this issue, you need to reconfigure the certificate or thumbprint on eformity.net.