Open the below ports to your Active Directory servers for Active Directory communication to work with clients
| Port Number | Description | Port Type |
|---|---|---|
| 445 | SMB | TCP |
| 389 | LDAP | TCP + UDP |
| 53 | DNS | UDP |
| 135 | RPC | TCP |
| 139 | NetBIOS Session Service | TCP |
| 49152-65535 | Active Directory Services | TCP |
| 88 | Kerberos | TCP |
