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When to Create a Shortcut Trust by Bradford Anderson
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When to Create a Shortcut Trust |
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Business
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Shortcut trusts are transitive one-way or two-way trusts that 220-701 test cost can be used to optimize the authentication process between domains that are logically distant from each other. In Windows Server 2003, authentication requests must travel an established trust path between domain trees. A trust path is a series of trust relationships that must be tra-versed in order to pass authentication requests between any two domains. In a com-plex forest, following the trust path can take time and affect query response performance; each time clients are referred to another domain controller, the chances of a failure or of encountering a slow link are increased. Windows Server 2003 provides a means for improving query response performance through shortcut trusts. Shortcut trusts help to shorten the path traveled for authentication requests made between domains located in two separate trees. Shortcut trusts can be created only between Windows Server 2003 domains in the same forest. Figure 4-16 illustrates a shortcut trust created to shorten the trust path and improve query response performance between Domain M and Domain P. If the shortcut trust were not created, the client in Domain M would have to "walk" the trust path through domains L, K, J, N, and O before being able to communicate with the domain controller in Domain P to verify the authentication request. One-Way Shortcut Trusts A one-way shortcut trust established between two domains located in A plus benefits separate domain trees can reduce the time needed to fulfill authentication requests, but from only one direction. If a one-way shortcut trust is established between Domain M and Domain P, authentication requests made in Domain M to Domain P can take full advantage of the new one-way trust path. However, when authentication requests from Domain P to Domain M are made, they cannot utilize the shortcut trust path that was created between Domain M and Domain P, and default to walking up the trust path hierarchy in order to find Domain M. Two-Way Shortcut Trusts A two-way shortcut trust directly established between two domains located in separate domain trees can help optimize authentication requests made from users located in either domain. Therefore, authentication requests made from either Domain M to Domain P or from Domain P to Domain M can utilize the shortened shortcut trust path. Explicitly created by a systems administrator between Windows Server 2003 domains that are in different forests or between a Windows Server 2003 domain and a domain whose domain controller is running Windows NT 4 or earlier. This trust provides backward compatibility with Windows NT environments and communications with domains located in other forests not joined by forest trusts. The trust is free Microsoft practice exam questions nontransitive and can be one- or two-way.
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