(Applies to Riva 2.4.39 or higher.)
During a sync with the "Enable Completed Activity" option selected in GoldMine, the Riva Service Monitor and Riva logs for the calendar item sync display an error similar to this one:
2015-02-06 11:34:59,897 ERROR [CTP-skn #0] [FTG0AH3MIWSJ] Error - Ignoring item change due to error: Completed activity [Riva Test (oc:)] could not be removed.. [CA141]
A user completed a calendar item in GoldMine and deleted the same calendar item in Exchange. By default, Riva does not sync a GoldMine completed calendar deletion when the delete originates from Exchange.
To allow Completed calendar items to be deleted from Exchange: