Problem: the server is configured to use the pass-through authentication with the built-in account to access the specified physical path.

Problem: the server is configured to use the pass-through authentication with the built-in account to access the specified physical path. However, IIS manager cannot verify that this built-in account has access permissions. Make sure the applicationProgramThe pool ID has read access to this physical path. If the server is added to a domain and the application pool ID is NetworkService or LocalSystem, verify that <domain >\< computer_name> $ has read access to this physical path, then test the settings again.
 

 
Click "Basic settings"-"connection as" on the right. The "Application User" is selected by default. Select the "specific user" above and click "Settings" on the right ", the user name and password are the user name and password of your system, and your account has the permission to access the website directory.