I ran a diagnostic after I got the below message yesterday (The server is unavailable) and some of the logs attached (please see image). There are error for mailtips and OOF coming from exchange. In addition, when I open up a new message I got MailTips
could not be retrieved. Another user has the same Mailtip message and for her she will get server is unavailable at random time when doing a “Send To” -> Mail recipient. In addition, when I check my eventlog I received multiple RPC call on Transport
error. It listed as information, but the message said it is an error. Please let me know if you have any question on the finding.![]()
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