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"Duplicate Name Exists" Errors in Windows

After starting up a Microsoft Windows computer connected to a local network, you may see the error message "Duplicate name exists." What does this error message signify, and how can you resolve it?

Posted:2008-01-31, 1769 views

A little about VOIP

VOIP is an advanced technology that is used as one the modes of telecommunication. It has created its own space in the world of telecommunication. The main factor responsible for the functioning of the VOIP system is the broadband internet connection which has become a matter of concern for the customers as there is no proper coverage of network.

Posted:2007-06-05, 1797 views

An ISDN Issue

ISDN has been a much-maligned telecommunications service. Saddled with secondary meanings of "I Still Don't Need it", and "I Still Don't Know", ISDN may be regaining some respect.

Posted:2008-03-01, 1655 views

Application Layer Details

The application layer is the seventh level of the seven-layer OSI model. It interfaces directly to and performs common application services for the application processes; it also issues requests to the presentation layer.

Posted:2008-04-10, 3925 views


Display and modify the IP-to-Physical address translation tables used by address resolution protocol. A host's MAC address can be checked using IPCONFIG.

Posted:2012-03-31, 812 views

Authentication Defined

Authentication is the process of determining whether someone or something is, in fact, who or what it is declared to be. In private and public computer networks (including the Internet), authentication is commonly done through the use of logon passwords. Knowledge of the password is assumed to guarantee that the user is authentic.

Posted:2007-07-10, 1819 views

Auto Logon to a Windows Machine

Windows NT includes a feature that allows you to automatically logon to the machine and network, bypassing the Winlogon dialog box.

Posted:2007-05-03, 1710 views

Automatic Hidden Shares

When networking has been installed on a Windows NT machine, it will automatically create hidden shares to the local disk drives. The shares are normally accessed via \\server\c$ and \\server\d$ depending on the drive letter. It is possible to disable the sharing at run-time, but this tweak will stop the automatic sharing altogether.

Posted:2007-06-20, 1650 views

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