Email monitoring no longer creates new tickets in ServiceDesk and "There is no replica for that mailbox on this server"appears in the logs.
This can be caused by the mailbox no longer being on the Exchange Server defined in Application Properties. This has been noted to occur when a new Exchange Server has been added to the environment and the ServiceDesk email monitoring account has been migrated.
You will need to define the Exchange server in Application Properties. To do this, follow these steps:
This should resolve the issue.
It's in the same area.