Article ID: 150543
Article Last Modified on 2/21/2007
APPLIES TO
- Microsoft Windows NT Server 4.0, Terminal Server Edition
- Microsoft Windows 2000 Server
- Microsoft Windows 2000 Advanced Server
- Microsoft Windows 2000 Professional Edition
- Microsoft Windows NT Server 4.0 Standard Edition
- Microsoft Windows NT Load Balancing Service
This article was previously published under Q150543
SUMMARY
This article discusses the known TCP/IP ports (TCP and/or UDP) that are used by services within Microsoft Windows NT version 4.0 and Microsoft Exchange Server version 5.0. This is not a complete list of TCP/IP port assignments.
For additional TCP/IP port assignment information, see the following articles in the Microsoft Knowledge Base:
174904 Information About TCP/IP Port Assignments
176466 XGEN: TCP Ports and Microsoft Exchange: In-depth Discussion
MORE INFORMATION
List of Ports Used by Windows NT version 4.0 services:
Function Static ports
-------- ------------
Browsing UDP:137,138
DHCP Lease UDP:67,68
DHCP Manager TCP:135
Directory Replication UDP:138 TCP:139
DNS Administration TCP:135
DNS Resolution UDP:53
Event Viewer TCP:139
File Sharing TCP:139
Logon Sequence UDP:137,138 TCP:139
NetLogon UDP:138
Pass Through Validation UDP:137,138 TCP:139
Performance Monitor TCP:139
PPTP TCP:1723 IP Protocol:47 (GRE)
Printing UDP:137,138 TCP:139
Registry Editor TCP:139
Server Manager TCP:139
Trusts UDP:137,138 TCP:139
User Manager TCP:139
WinNT Diagnostics TCP:139
WinNT Secure Channel UDP:137,138 TCP:139
WINS Replication TCP:42
WINS Manager TCP:135
WINS Registration TCP:137
List of Ports Used by WLBS and Convoy for Cluster Control:
Function Static ports
-------- ------------
Convoy UDP:1717
WLBS UDP:2504
List of Ports Used by Microsoft Exchange Server version 5.0:
Function Static ports
-------- ------------
Client/Server Comm. TCP:135
Exchange Administrator TCP:135
IMAP TCP:143
IMAP (SSL) TCP:993
LDAP TCP:389
LDAP (SSL) TCP:636
MTA - X.400 over TCP/IP TCP:102
POP3 TCP:110
POP3 (SSL) TCP:995
RPC TCP:135
SMTP TCP:25
NNTP TCP:119
NNTP (SSL) TCP:563
For additional information, see the following article or articles in the Microsoft Knowledge Base:
176466 XGEN: TCP Ports and Microsoft Exchange: In-depth Discussion
List of Ports Used by Terminal Server Clients
Function Static ports
-------- ------------
RDP Client (Microsoft) TCP:3389 (Pre Beta2:1503)
ActiveX Client (TSAC) TCP:80, 3389
ICA Client (Citrix) TCP:1494
NOTE: Terminal Server uses port 3389.
Additional Ports Used by Windows 2000 services:
Function Static ports
-------- ------------
Direct Hosting of SMB Over TCP/IP TCP,UDP: 445
IPSec:
ISAKMP UDP: 500
ESP IP Protocol 50
AH IP Protocol 51
Kerberos TCP,UDP: 88
RSVP IP Protocol 46
Keywords: kbinfo kbnetwork KB150543
