The Web App Gallery is included, free, on all ColdFusion 9 plans and on all ASP.NET plans hosted on Windows 2008/IIS7.
If you ordered a new ASP.NET plan near the end, or after, April, 2010, your site would be hosted on Windows 2008/IIS7.
The following plan names are hosted on Windows Server 2008 and do support the Web App Gallery
. (check your original 'Web Site Ready' email for the name of site's plan)
ASP / ASP.NET - Server 2008
The following plan names are hosted on Windows Server 2003/IIS6 and DO NOT support the Web App Gallery
ASP / ASP.NET 3.5
ASP / ASP.NET 2.0
ASP / ASP.NET 1.1
ColdFusion MX 7
If you are interested in changing your hosting plan, see our article on how to submit a change plan request