Active Directory and Active Directory Domain Services Port Requirements

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http://technet.microsoft.com/en-us/library/dd772723(ws.10).aspx



Protocol and PortAD and AD DS UsageType of traffic
TCP and UDP 389
Directory, Replication, User and Computer Authentication, Group Policy, Trusts
LDAP
TCP 636
Directory, Replication, User and Computer Authentication, Group Policy, Trusts
LDAP SSL
TCP 3268
Directory, Replication, User and Computer Authentication, Group Policy, Trusts
LDAP GC
TCP 3269
Directory, Replication, User and Computer Authentication, Group Policy, Trusts
LDAP GC SSL
TCP and UDP 88
User and Computer Authentication, Forest Level Trusts
Kerberos
TCP and UDP 53
User and Computer Authentication, Name Resolution, Trusts
DNS
TCP and UDP 445
Replication, User and Computer Authentication, Group Policy, Trusts
SMB,CIFS,SMB2, DFSN, LSARPC, NbtSS, NetLogonR, SamR, SrvSvc
TCP 25
Replication
SMTP
TCP 135
Replication
RPC, EPM
TCP Dynamic
Replication, User and Computer Authentication, Group Policy, Trusts
RPC, DCOM, EPM, DRSUAPI, NetLogonR, SamR, FRS
TCP 5722
File Replication
RPC, DFSR (SYSVOL)
UDP 123
Windows Time, Trusts
Windows Time
TCP and UDP 464
Replication, User and Computer Authentication, Trusts
Kerberos change/set password
UDP Dynamic
Group Policy
DCOM, RPC, EPM
UDP 138
DFS, Group Policy
DFSN, NetLogon, NetBIOS Datagram Service
TCP 9389
AD DS Web Services
SOAP
UDP 67 and UDP 2535
DHCP
noteNote
DHCP is not a core AD DS service but it is often present in many AD DS deployments.
DHCP, MADCAP
UDP 137
User and Computer Authentication,
NetLogon, NetBIOS Name Resolution
TCP 139
User and Computer Authentication, Replication
DFSN, NetBIOS Session Service, NetLogon

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