Applies to Active IQ Unified Manager (AIQUM) Issue LDAP users cannot connect to AIQUM: Failed to Tested Remote LookUp for User. Error : Unknown authentication server error. Verify your authentication ...Applies to Active IQ Unified Manager (AIQUM) Issue LDAP users cannot connect to AIQUM: Failed to Tested Remote LookUp for User. Error : Unknown authentication server error. Verify your authentication server configuration. (LDAP error code : 1 )