When you aren't using BitrixVM or Linux (BitrixEnv), you need to configure your environment for working with AD/LDAP. The following actions are required:
Add a host to domain (without description, if you work on your own environment, you are aware of this procedure).
Configure Apacheserver settings
NTLM authentication support is enabled by default in Bitrix24 product. Even it you do not use distribution package, recommended by Bitrix24, you need to perform the following...