<A target="_blank" href="http://dominoyesmaybe.blogspot.com/2011/07/warning-domino-852-id-vault-does-no.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+dominoyesmaybe+%28Domi-No-Yes-Maybe%29">Steve McDonagh recently discovered - if you have clients on 8.5.0x using the ID Vault </A>- there is a problem when you update even one of your servers to 8.5.2.