Hi,What is the difference between LDAP and Global catalog server in windows server 2003

Hello,LDAP is a protocol, see:http://msdn.microsoft.com/en-us/library/aa367008(VS.85).aspxhttp://support.microsoft.com/kb/196455The Global catalog is a data repository that contains a searchable, partial representation of every object in every domain in a multidomain Active Directory forest, see:http://technet.microsoft.com/en-us/library/cc728188(WS.10).aspxBest regards Meinolf Weber Disclaimer: This posting is provided "AS IS" with no warranties, and confers no rights.

Hi Mike, The ports used by LDAP and Global Catalog server are different. Application protocol Protocol Ports Global Catalog Server TCP 3269 Global Catalog Server TCP 3268 LDAP Server TCP 389 LDAP Server UDP 389 Service overview and network port requirements for the Windows Server system http://support.microsoft.com/kb/832017 Hope this can be helpful.This posting is provided "AS IS" with no warranties, and confers no rights.