IIS server authorization config is performed in the similar manner as in
Linux settings
If you do not use Bitrix VIrtual Appliance (BitrixVM) or Linux (BitrixEnv), you need to configure your environment for handling the module AD/LDAP.
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. IIS must be already setup for handling PHP.
For enabling NTLM authorization for IIS, perform the following actions:
Open IIS service manager;
Go to the required site in the left side manager menu;
Select Authentication for IIS;
Inside the new list, enable the option Windows authentication.
Next, configure the ports: 8890 (for http) or 8891 (for https) and 80 (for http) or 443 (https).