"401 Unauthorized" on a directory
- Open IIS and select site that is causing 401
- Select Authentication property in IIS Header
- Select Anonymous Authentication
- Right click on it, select Edit and choose Application pool identity
- Restart site and it should work
It is likely that you do not have the IUSR_computername permission on that folder. I've just had a quick scan and it looks like you will find the information you need here.
If that isn't the case, are you prompted for your username and password by the browser? If so it may be that IIS is configured to use Integrated authentication only, as described here.
- Open IIS
select site where you are facing the problem
Select Below
- Right click on Anonymous Authentication and click on edit and follow below
