If when attempting to update a user record in Application Administrator you see an error similar to this Email address already belongs to project mailbox . and the server's Application log has the following -
Some MS Exchange customers may experience an issue connecting to Exchange web services from the MailClient. The ns.log will have an error like this: ERROR 20-09-2013 07:59:30 [MailClient] -- Error while processing mailbox MAILBOX_NAME:
'2012-07-02 07:29:00,012 INFO [QuartzScheduler_Worker-23] [STDOUT] [::] -- DEBUG POP3 : server doesn't support TOP, disabling it 2012-07-02 07:29:00,012 INFO [QuartzScheduler_Worker-31] [STDOUT] [::] -- DEBUG POP3: server doesn't support TOP, disabling it