Win XP, Word 2003 and Adobe 7. I enabled "Add Links to Adobe PDF" and "Convert Cross-References and TOC to Links". The problem is, in the generated PDF, link of TOC has the possibility of 75% to be active, while cross-reference has only 10% chance to be active. I really don't know why. I'm sure my Word syntax is correct because the links sometimes work. If necessary, I can send you my original Word file.
If you are using URLs in your Word syntax make sure that your field codes option is turned off in Word when you print.
In Microsoft Word Chose - Tools > Options > Print > and deselect the Field Codes option.Otherwise, the links show up in the PDF as {hyperlink"http://www.adobe.com"} and don't link properly.
Keep us posted if this corrects the problem,
Lori
Lori Kassuba is an AUC Expert and Community Manager for AcrobatUsers.com.