With 10.1.4, and the introduction of the Rich Text Editor for SBM, upon upgrade all notes will have html rendered. If this is an issue and you need to see the html code in emails or notes in its raw form then you need to switch this off.
DEF321205: Application Repository fails to start and gives error 500 DEF321255: Mail Client using Exchange web services no longer working after upgrade to SBM 11.4.1 DEF321327: Multi Selection Fields do not get populated correctly and become empty
Check the form being used by this transition. Make sure that important fields are not read-only. For example, if you plan to save the subject line from the email into the Title field of the SBM item, make sure that Title is not read-only.
