I fixed this error by disable the 'script source acces' on the home directory tab. But the following error appears at the next stap: Action: Adding child metaProperty (/lm/w3svc/1017621628/root/AccessFlags) Fatal: Object reference not set to an instance of an object. Debug: System.NullReferenceException...

Hi JeongHwan, Sorry for the late reply. I hadn't checked the remark from the IT department that Punycode was no longer supported. My bad, because it is. So, no issues there. The need to be able to do an advanced replace remains. I had given Reflector a spin after I posted my initial mail and found...