Advice

What ports are required for Active Directory replication?

What ports are required for Active Directory replication?

Firewall Ports Required for AD Replication with RPC High Ports

  • TCP 53 (DNS)
  • TCP 88 (Kerberos Key Distribution Center)
  • TCP 135 (Remote Procedure Call)
  • TCP 139 (NetBIOS Session Service)
  • TCP 389 (LDAP)
  • TCP 445 (SMB, Net Logon)
  • TCP 464 (Kerberos Password)
  • TCP 3268 (Global Catalog)

What ports do domain controllers use for replication?

Both UDP and TCP Port 135 are required for communication between domain controllers and clients to domain controllers. TCP Port 139 and UDP 138 network ports are used by the SYSVOL replication service to replicate contents of SYSVOL folder.

How do you restrict FRS replication traffic to a specific static port?

How can I restrict Active Directory (AD) replication traffic to a specific port?

  1. Start a registry editor (e.g., regedit.exe).
  2. Go to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NTDS\Parameters.
  3. From the edit menu, select New, DWORD Value.
  4. Enter a name of TCP/IP Port, and press Enter.

How do I restrict Active Directory RPC traffic to a specific port?

How Can I Restrict Active Directory Replication Traffic to a…

  1. Start a Registry Editor (e.g., regedit.exe)
  2. Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NTDS\Parameters.
  3. From the Edit menu, select New, then DWORD Value.
  4. Enter the name as “TCP/IP Port” without the quotes and click Enter.

What ports are required for Active Directory?

The following is the list of services and their ports used for Active Directory communication: UDP Port 88 for Kerberos authentication UDP and TCP Port 135 for domain controllers-to-domain controller and client to domain controller operations. TCP Port 139 and UDP 138 for File Replication Service between domain controllers.

What are ports used for Active Directory?

RPC endpoint mapper: port 135 TCP,UDP

  • NetBIOS name service: port 137 TCP,UDP
  • NetBIOS datagram service: port 138 UDP
  • NetBIOS session service: port 139 TCP
  • SMB over IP (Microsoft-DS): port 445 TCP,UDP
  • LDAP: port 389 TCP,UDP
  • LDAP over SSL: port 636 TCP
  • Global catalog LDAP: port 3268 TCP
  • Global catalog LDAP over SSL: port 3269 TCP
  • Kerberos: port 88 TCP,UDP

    • What is strict replication in Active Directory?

    Strict Replication is a mechanism developed by Microsoft developers for Active Directory Replication. If a domain controller has the Strict Replication enabled then that domain controller will not get “Lingering Objects” from a domain controller which was isolated for more than the TombStone Life Time.

    How does SharePoint work with Active Directory?

    The SharePoint User Profile Service pulls information from Active Directory by default. However, it can be configured to synchronize specific user attributes back to Active Directory. Relocations, departmental shifts, and title changes are a frequent occurrence so user information is always in flux.