If you are seeing an error similiar to "webpage redirect loop" when visiting your website, it may be that you have an seo redirect enabled in the Plesk control panel, to check please follow the steps below:

1. Login to Plesk
2. Go to Websites and Domains
3. Click on the Domain you wish to check
4. Go to Hosting Settings
5. If the Preferred domain is set to domain.tld or www.domain.tld, please click on the Preferred domain drop-down box and select the value "none"
6. Scroll down and hit OK to save changes

If you are still seeing the error you may need to wipe your browser cache and try visiting your website again.

This applies to accounts hosted on Plesk 11.5.x

If you have any questions, please contact the HelpDesk.