When ipa-replica-prepare is run on a master upgraded from CA-less to CA-full, it creates the replica file with a copy of the local /etc/ipa/ca.crt. This causes issues if this file hasn't been updated with ipa-certupdate, as it contains the external CA that signed http/ldap certs, but not the newly installed IPA CA. As a consequence, ipa-replica-install fails with "Could not find a CA cert". The fix consists in retrieving the CA certificates from LDAP instead of the local /etc/ipa/ca.crt. https://fedorahosted.org/freeipa/ticket/6375 Reviewed-By: Stanislav Laznicka <slaznick@redhat.com> Reviewed-By: Tomas Krizek <tkrizek@redhat.com>