T

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TCP/IP

Transmission Control Protocol/Internet Protocol.

Ticket

A Kerberos object that contains user information, access rights, an expiration time, and some NT-specific security information.

Titanium

The internal Microsoft code name for Exchange 2003.

TLD

Top-Level Domain. A DNS term that describes the top of the DNS domain hierarchy-for example, .com.

Transitive trust

A trust between Windows domains that allows referrals from one domain to another.

Tree

A group of domains that form a contiguous namespace and share a common schema and configuration data. The name of the tree is always the same as the domain's DNS name.

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