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Specifying communication ports

Updated: August 22, 2005

Applies To: Windows Server 2003 R2

On the Ports page, you can specify the communications ports that the Active Directory Application Mode (ADAM) instance will use to communicate with directory-enabled applications. Directory-enabled applications locate an ADAM instance by using a combination of the name of the computer on which the ADAM instance is running and a communication port number. An ADAM instance can communicate using Lightweight Directory Access Protocol (LDAP) or Secure Sockets Layer (SSL). You must provide a port number for each.

If you are not sure what communication port numbers to use, accept the default values.

To specify communication ports

  1. On the Ports page, type a port number in LDAP port number.

  2. Type a port number in SSL port number, and then click Next.

Notes

  • By default, ADAM uses the default communication port numbers of 389 and 636 for LDAP and SSL, respectively. If either of these ports is already in use on the destination computer, ADAM specifies the first available port, starting at 50000.

  • If you plan to run ADAM and Active Directory concurrently on the same computer, you must assign ports other than 389 and 636 to ADAM. Active Directory requires the use of ports 389 and 636 (as well as ports 3268 and 3269, if the domain controller running Active Directory is configured as a global catalog).

  • For more information about how directory-enabled applications can locate a given ADAM instance, see Related Topics.

  • For information about changing the communication ports of an ADAM instance, see Related Topics.

See Also

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