Its active community, regular security updates, and integration with major Linux distributions make it a cornerstone of open-source interoperability with Windows networks.

| Feature | Windows Server 2022 | Samba 4.19+ | | :--- | :--- | :--- | | | Full | Limited (can restore, but not via native UI) | | Fine-Grained Password Policies (FGPP) | Full | No (Only one domain-wide policy) | | Dynamic Access Control (DAC) | Yes | No | | DFS Replication (DFSR) | Yes | No (Use rsync or unison for sysvol) | | Exchange Server 2016/2019 | Supported | Unsupported & Dangerous (Exchange modifies schema heavily) | | Group Policy Preferences (GPP) | Full GUI | Client applies, but you must edit XML manually | | SYSVOL Replication | DFS-R | rsync or Scheduled script (or the older NtFrs emulation) |

| Component | Description | | ------------------ | --------------------------------------------------------------------------- | | smbd | The core SMB/CIFS file and print server daemon. | | nmbd | NetBIOS name server daemon (for legacy name resolution). | | winbindd | Resolves Windows SIDs and user/group information; integrates with NSS/PAM. | | samba (new) | The combined AD DC daemon that replaces smbd + nmbd + winbindd in DC mode. | | samba-tool | Administrative command-line utility for domain management. | | samba_dnsupdate | Performs dynamic DNS updates for domain controllers. | | samba_kcc | Knowledge Consistency Checker – manages AD replication topology. | | samba_spnupdate | Manages Service Principal Names (SPNs). |

samba-tool is the Swiss Army knife for Samba 4.