New Active Directory Documents for IT Pros
A few days ago we posted a document to TechNet that outlines some of the various port requirements for Active Directory. We gathered the port information from various KB articles and consolidated them into one document. I think it should serve as a great reference guide for those of you configuring Active Directory communication through internal and external firewalls. It details ports used by trusts, replication, global catalog, DNS, DHCP, etc. It also outlines the new default dynamic port range, 49152-65535, for Windows Server 2008 and Windows Vista and pointers to why the range was increased from previous versions of our operating systems.
Active Directory and Active Directory Domain Services Port Requirements (http://technet.microsoft.com/en-us/library/dd772723(WS.10).aspx)
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