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Little about Organizational Units

January 26, 2011

An Overview of Organizational Units (OUs) An organizational unit (OU) is a container that is used to logically organize and group Active Directory objects within domains. OUs are not part of the DNS namespace. They are used to organize Active Directory objects into logical administrative groups. OUs therefore serve as containers in which you can [...]

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Little About Dynamic Routing

January 24, 2011

Dynamic routing performs the same function as static routing except it is more robust. Static routing allows routing tables in specific routers to be set up in a static manner so network routes for packets are set. If a router on the route goes down the destination may become unreachable. Dynamic routing allows routing tables [...]

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Little about DHCP

January 24, 2011

Dynamic Host Configuration Protocol (DHCP) This protocol is used to assign IP addresses to hosts or workstations on the network. Usually a DHCP server on the network performs this function. Basically it “leases” out address for specific times to the various hosts. If a host does not use a given address for some period of [...]

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DNS Names in Windows Server 2003

January 21, 2011

Introduction to DNS Names The purpose of DNS is to provide a connection when we type a name.  Now that name could refer to a server, a host, a web site, or a UNC path.  Always remember that computers prefer to use an IP address and that the role of DNS is a database of [...]

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Inter-VLAN Routing Configuration on Cisco Router

January 18, 2011

Requirements: You have to make sure that your router support the frame tagging technology used between the switches. Before jumping into the router configuration, you have to configure a port in the switch that will be connected to the router to be a trunk port. And keep remembering the VLAN tagging method that you configured [...]

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How to configure EIGRP on your Cisco router

January 18, 2011

Nots: EIGRP is a Cisco proprietary protocol. So, either all the routers in the Internetwork must be Cisco routers, or the routers should be EIGRP capable. Before starting, if you have not set the bandwidth of the interfaces, set them now. For correct routing decisions, you need to set the bandwidth for the serial interfaces [...]

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What is Network Routing ?

January 18, 2011

Routing is the process of defining routes for the packets to its destination through an internetwork and this is performed by the router. Routing is consist of two separate tasks. 1. Defining paths for the packets through and internetwork. 2. Forwarding data packets based on their predefined paths. Generally, there are two types of routing. [...]

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What is ISDN

January 18, 2011

The regular phone line which is used at home and offices is an analogue phone line. Your voice is picked up by telephone mouthpiece and then sent down the phone line as an analogue wave. Regular modem converts the digital signals of the computer into the analogue waves, which then travels on the regular phone [...]

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Unable to open Hyperlinks in internet explorer

January 15, 2011

If you Unable to open Hyperlinks in internet explorer, Do the following troubleshooting Go to Start / Run Then enter regsvr32 urlmon.dll Click Ok when finished If that single change does not resolve the problem, repeat the process by running the following additional entries: regsvr32  Shdocvw.dll regsvr32  Msjava.dll regsvr32  Actxprxy.dll regsvr32  Oleaut32.dll regsvr32  Mshtml.dll regsvr32  [...]

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Automatically Ending Non-Responsive Tasks

January 14, 2011

Start Regedit Go to HKEY_CURRENT_USER\Control Panel\Desktop\AutoEndTasks Set the value to be 1 In the same section, change the WaitToKillAppTimeout to the number of milliseconds you want.

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How can i Add SafeBoot to the Boot Menu

January 14, 2011

You can add Safeboot as an option to the normal XP boot screen Open a command prompt Copy the current c:\boot.ini to another name (just in case) With your favorite text editor, edit c:\boot.ini Copy then edit the current boot line to another line. For example: multi(0)disk(0)rdisk(0)partition(1)\WINDOWS=”Microsoft Windows XP Professional” /fastdetect might copy and then [...]

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How can i Show Hidden Devices in WindowsXP

January 14, 2011

You can show hidden devices in the Device Manager. One way is by making a simple registry change. The other is through a batch file. Registry Change: Go to HKEY_LOCAL_MACHINE \ SYSTEM \ ControlSet001 \ Control \ Session Manager \ Environment Create a string DEVMGR_SHOW_NONPRESENT_DEVICES Give it a value of 1 Batch File ————– @Echo [...]

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