Email Activities on an Incident record are missingSummaryThe Email records that are sent and received are stored in the 'sys_email' table.If the Email records are missing on the activities, Firstly need to verify the sys_email table if they are present.If the Email records are present but are not visible on the activities, the next place to verify is 'sys_history_set'For an Incident record, the activities are logged in the 'sys_history_line' and are tightly coupled with the 'sys_history_set'If the email records are missing on the 'sys_history_line', the email records will not be visible on the activities. Related LinksAlso please verify the KB0871107 and KB0819125