Windows IIS installation

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10

icacls c:\inetpub\wwwroot\SuiteCRM\ /t /grant “NT AUTHORITY\IUSR:F”

It works now. We have user group ‘BUILTIN\IIS_IUSRS’ and user ‘NT AUTHORITY\IUSR’
Usually we gave permission on group level, not user level. In my case I must gave permission to group and user.