Not a solution I'm afraid but confirmation of the issue in another
context - that is, trying to "copy" an existing email activity within
an on-demand workflow action - so in effect dynamically filling the
I haven't seen a problem with any field apart from the email body
(activity description). What happens is the WYSIWYG interface for the
email body 'gets in the way'. You can see this from examining the
saved XML activity data. Ideally you should be able to choose between
Dynamic-Source and Static-WYSIWYG.
The workaround is to create a custom workflow activity.