When setting forwarding from Notes to Exchange with Coexistence Manager for Notes (CMN) as the routing option, mail preference set to 'Prefer MIME' in Notes Person Document instead of 'keep in sender's format' as required by CMN for ActiveMail Processing.
This is product defect. Defect ID: TF00204494 logged.
WORKAROUND 1
Use the 'remove Notes forwarding' to set this value only, unchecked for the rest of the Options.
From Notes Migrator Console:
1. Select Migrate User Data.
2. Checked the Option Manage mail routing only. Click on Next.
3. Select All new mail for users in the collection will be delivered to: Notes.
Mail co-existence is using: Quest Coexistence Manager for Notes. Click on Next.
4. Uncheck any option here under "Specify Exchange to Notes Mail Forwarding Settings" Dialog. Click on Next.
5. Uncheck any option here, except checked for 'Set format preference' as ;Keep in senders' format'. Click on Next and continue to perform the task.
WORKAROUND 2
To force the Notes Person document stamped with 'Keep in sender's format', add the following parameter in the global default settings:
[Notes]
...
NotesFormatPreference=1
...
STATUS
Waiting to be fix in the future release of Notes Migrator for Exchange.
For additional status updates or information on this please contact your account manager and reference the Change Request # TFS204494
