We have a client, who upgraded Unity connection from 8.5 to 10.5.2 recently. After awhile, some user report that the deleted messages are coming back to their mail box. This client has not setup single inbox. So Exchange synchronization shouldn't the issue.
User cleared(deleted) messages from either Phone or from Jabber Clients. Strangely, every once in awhile , some user report their deleted messages come back to their mailbox.
I have checked DB synchronization all is fine -- well synchronized. Rebooted the cluster all good but after a week or so this problem still come back.
More over, there are users report that Caller hear their "mail box is full", can not leave message, but check the system, to find that their mail box has "0" messages in it. After I flip the Mail Box quote from System setting to default setting and back, then error "MailBox is full" disappeared.
It is very strange, looks some outside device is interfere, Mail Boxes , but what will that be ?
Appreciate if someone have an idea what is happening ?
Thanks !
