- Plesk for Windows
Accessing separate months in statistics result in 404 error:
IIS application pool for website example.com has invalid identity (e.g. Network Service) in IIS > Application pools > example.com > Advanced settings... > Identity.
The application pool is not able to access statistics folder.
Log into Plesk and navigate to Domains > example.com > Dedicated IIS Application Pool for Website.
Click on Switch off button.
Click on Switch on button.