Blank page is shown when opening ColdFusion-powered page.
Check ColdFusion handlers in IIS Manager:
On IIS Manager > ISAPI and CGI Restrictions make sure that Coldfusion ISAPI extension (
C:\ColdFusion8\runtime\lib\wsconfig\1\jrun_iis6_wildcard.dll) is allowed.
In IIS Manager find domain where Coldfusion does not work.
Click on Handler Mappings button and verify that handlers for ColdFusion extensions (
C:\ColdFusion8\runtime\lib\wsconfig\1\jrun_iis6_wildcard.dllin handlers properties' "Executable" field.