- Plesk for Windows
Why Handler Mappings in IIS vary for different websites?
By default, Handler Mappings list at IIS > hostname > Sites > example.com looks like below:
In case it is different, then it was modified manually by site owner or web developer.
Handler Mappings list can be changed to default with Revert To Parent option:
Note: Website may become unavailable after reverting Handler Mappings to default.