domain

What is the difference between Active Directory Forest and Domain?

February 9, 2011

Active Directory Forest and Active Directory Domain Explained. Forest: Forest is the top level container of Active Directory infrastructure. A forest can consist of one or more domains and those domains are connected through transitive trust. A forest shares a single schema database, single Exchange organization, single global address list and a security boundary. Note: [...]

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How To Implement Folder Redirection using Group Policy

January 29, 2011

An Overview on Folder Redirection Folder Redirection is a Group Policy feature which enables you to redirect the system folders containing the profile of a user on the network, through the use of the Folder Redirection node in the Group Policy Object Editor console. This basically makes folder redirection a user configuration option. Through the [...]

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Little about The Global Catalog Server

January 29, 2011

An Overview on Global Catalog Servers The Global Catalog (GC) is an important component in Active Directory because it serves as the central information store of the Active Directory objects located in domains, and forests. Because the GC maintains a list of the Active Directory objects in domains and forests, without actually including all information [...]

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Forests and Domains in Windows Server 2003

January 28, 2011

An Overview of Forests and Domains A domain is a collection of computers and resources that share a common security database, in this case, the Active Directory database. Computers in the domain also have a common namespace. A namespace is the hierarchical grouping of service and object names that are stored in Active Directory and [...]

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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 Active Directry

January 26, 2011

What is an Active Directory and How Does It Work? An active directory is a service that is provided by Microsoft that stores information about items on a network so the information can be easily made available to specific users through a logon process and network administrators. By using an Active Directory it is possible [...]

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NetBEUI

January 24, 2011

NetBIOS, NetBEUI, and SMB are Microsoft Protocols used to support Microsoft Networking. The NetBIOS stack includes SMB, NetBIOS, and NetBEUI which are described in the table below. The following are parts of the Microsoft networking stack: Name Network Layer Description Redirector Application Directs requests for network resources to the appropriate server and makes network resources [...]

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Again Domain Name Service (DNS)

January 24, 2011

Host Names Domain Name Service (DNS) is the service used to convert human readable names of hosts to IP addresses. Host names are not case sensitive and can contain alphabetic or numeric letters or the hyphen. Avoid the underscore. A fully qualified domain name (FQDN) consists of the host name plus domain name as in [...]

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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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Windows Server 2003 DNS Troubleshooting

January 22, 2011

1) Start Troubleshooting with Ping Can you ping the target machine? a) By IP address. Ping 10.1.0.100 b) By Hostname. Ping BigServer c) By fully qualified domain name. Ping BigServer.guybay.com Examine the replies for clues, for example is the reply BigServer or BigServer.domain.com. Depending on the results from Ping, check the Default Gateway and Subnet [...]

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Little about DNS Queries in Windows Server 2003

January 21, 2011

There are two sides to DNS.  Firstly, registration which adds resource records such as Host (A) into the DNS database.  Secondly there are queries where clients seek those resource records, for example where is BigServer?  Back comes the reply from DNS: BigServer IP = 10.10.55.21. Authoritative DNS Servers The goal of a DNS query is [...]

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DNS Resource Records in Windows Server 2003

January 21, 2011

It all started with Host records.  In the beginning there were just flat text files with a list of servers and corresponding IP addresses.  When that got cumbersome and a pain to update, a proper database called DNS (Domain Name System) was invented by Paul Mockapetris in 1983. Since then the DNS types of records [...]

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Little about DNS Zones in Windows Server 2003

January 21, 2011

When you plan a DNS installation, be sure that you choose the most suitable type of zone.  For instance, if your goal is to install a Windows Server 2003 domain, then investigate Active Directory Integrated Zones.  Also decide how many zones to configure, it is easy to focus on the forward lookup zone, but overlook [...]

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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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Communication Devices in Computer Network

January 21, 2011

An electronic device that can send and receive data on the network is called the communication device. The communication devices are used on both ends of the connections. Most of the communication devices have the ability to convert the digital signal of computer into analog signal so that the signals can be transmitted on the [...]

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