What is the full version of Fax you are using?
It should be version
Please update if it is not the latest version.
Are you using windows faxing or Win Fax?
How are you logged in to Watch?
Did you try it in debug mode?
What kind of data stream are you sending?
does it occur with all forms?
Please try it with a simple form that just contains a box on the page and the fax number.

Please keep me posted?

Team OL