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What does the iis _ iusrs mean in iis?


Asked by Shay Reed on Dec 05, 2021 FAQ



IIS_IUSRS is the group for IIS Worker Process Accounts. This means the identity that the application pool itself runs under. IUSR is the anonymous user identity.
Furthermore,
IUSR is built-in account for all anonymous authentication. IIS_IUSR is a built-in group has access to all the necessary file and system resources so that an account, when added to this group, can seamlessly act as an application pool identity.
Similarly, IIS_IUSR is a built-in group has access to all the necessary file and system resources so that an account, when added to this group, can seamlessly act as an application pool identity. You need to check if Drupal has any account specifically added in the IIS_IUSR group such that giving permission to the group suffices the need.
Also Know,
On a Windows system using IIS, right-click on sites/default/settings.php and grant Modify permissions to IIS_WPG (IIS6) or IIS_IUSRS (IIS7). Thanks for contributing an answer to Server Fault!
Indeed,
The IUSR_MachineName account is created and used only when the FTP 6 server that is included on the Windows Server 2008 DVD is installed. If the FTP 6 server isn't installed, the account isn't created. Beginning in IIS 7.5, a new security feature is added that is called Application Pool Identities.