Return
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Title
ERROR: [5079 24 410 00000000]Too many attachments found on message -
Description
Some Calendar items aren't migrated to office 365 with the reason "Too many attachments found on message". I have checked these objects and they have no attachments in them only a table in the meeting request. I have done a testmigration to a pst file which gave us the same error. Attached you can see one of the calendar items which gives us the error and also a verbose logfile. -
Cause
It was found that the item had an open ended Recurrence pattern. This is not acceptable in Exchange which has a maximum of 999 recurring items. -
Resolution
To resolve this issue, us the following INI parameter:
CalMaxRecurrenceFix=<#>
The parameter value is a keyword that must be one of these single digits:0 (default): The item is migrated as-is. (Migration to Exchange 2010 will fail for series with > 999 occurrences.)1: Wizard converts the item to a recurring series with no end date, which migrates cleanly.2: Wizard converts the item to a recurring series with 999 occurrences (the Exchange maximum).Remigrate the data.