For any templates that we are unable to delete, please ensure we have fully deleted all pages using this template.  This includes deleting the pages from the Deleted Pages/Templates folder in Site Explorer.  For pages we are unable to delete, please ensure we are not using that page in a Content Comparison part, or that its not being used as a payment page by any parts or forms.

To check template usage: 
  1. Click Site Explorer > Pages & Templates
  2. Search for the template
  3. Click the Properties icon (hand holding a piece of paper icon)
  4. Click the Usage tab
  5. This will display all pages currently using the template. Please go to each page and switch to a different template, or delete the page.