Artifactory tries to validate and compare access keys' fingerprint that reside on Artifactory's database and the local file system. If the keys do not match, the exception above will be thrown along with the mismatching fingerprint IDs.
A. During an attempted upgrade/installation of an Artifactory HA cluster node.
B. When setting up your circle of trust, something has gone wrong and the different participating Artifactory installations do not share the same private key and root certificate. This causes cross-site authentication to fail since keys between the different sites cannot be validated.