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Define what is Active Directory? Active Directory is a Meta Data. Active Directory is a data base which store a data base like your user information, computer information and also other network object info.
It has capabilities to manage and administor the complite Network which connect with AD. Define what is Active Directory Domain Services? Define what is domain? A domain is a set of network resources applications, printers, and so forth for a group of users. The user need only to log in to the domain to gain access to the resources, which may be located on a number of different servers in the network.
The domain is simply your computer address not to confused with an URL. A domain address might look something like Define what is domain controller? A Domain controller DC is a server that responds to security authentication requests logging in, checking permissions, etc. A domain is a concept introduced in Windows NT whereby a user may be granted access to a number of computer resources with the use of a single username and password combination. Define what is LDAP? Lightweight Directory Access Protocol LDAP is the industry standard directory access protocol, making Active Directory widely accessible to management and query applications.
Define what is KCC? KCC knowledge consistency checker It generates the replication topology by specifying Define what domain controllers will replicate to which other domain controllers in the site. The KCC maintains a list of connections, called a replication topology, to other domain controllers in the site. The KCC ensures that changes to any object are replicated to all site domain controllers and updates go through no more than three connections.
Also an administrator can configure connection objects.. Where is the AD database held? Define what other folders are related to AD? System Volume Sysvol is a shared directory that stores the server copy of the domains public files that must be shared for common access and replication throughout a domain.
Sysvol uses junction points-a physical location on a hard disk that points to data that is located elsewhere on your disk or other storage device-to manage a single instance store.
When we are deployed any script via GPO that is the default location for storing the script. Enterprise Admins :. Members of this group have full control of all domains in the forest. By default, this group is a member of the Administrators group on all domain controllers in the forest. By default, the Administrator account is a member of this group. Because this group has full control of the forest, add users with caution.
Members of this group have full control of the domain. By default, this group is a member of the Administrators group on all domain controllers, all domain workstations, and all domain member servers at the time they are joined to the domain. Because the group has full control in the domain, add users with caution. The Active Directory replaces them. Now all domain controllers share a multimaster peer-to-peer read and write relationship that hosts copies of the Active Directory.
I am trying to create a new universal user group. Why cant I? Universal groups are allowed only in native-mode Windows Server environments. Native mode requires that all domain controllers be promoted to Windows Server Active Directory. Its group policy inheritance model, where the policies are applied toLocal machines, Sites, Domains and Organizational Units.
If the NTConfig. Remember, though, that its the Administrator account, not any account thats part of the Administrators group. Define whats the difference between guest accounts in Server and other editions? More restrictive in Windows Server How many passwords by default are remembered when you check Enforce Password History Remembered? Users last 6 passwords. As a general rule, the infrastructure master should be located on a nonglobal catalog domain controller that has a direct connection object to some global catalog in the forest, preferably in the same Active Directory site.
Because the global catalog server holds a partial replica of every object in the forest, the infrastructure master, if placed on a global catalog server, will never update anything, because it does not contain any references to objects that it does not hold. But there are exceptions to this general rule.
Two exceptions to the do not place the infrastructure master on a global catalog server rule are: Single domain forest: In a forest that contains a single Active Directory domain, there are no phantoms, and so the infrastructure master has no work to do. The infrastructure master may be placed on any domain controller in the domain, regardless of whether that domain controller hosts the global catalog or not.
Multidomain forest where every domain controller in a domain holds the global catalog: If every domain controller in a domain that is part of a multidomain forest also hosts the global catalog, there are no phantoms or work for the infrastructure master to do. The infrastructure master may be put on any domain controller in that domain.
Define what Intrasite and Intersite Replication? Its the folder where you can find the objects missed due to conflict. Define what is Garbage collection? Garbage collection is a housekeeping process that is designed to free space within the Active Directory database. In Windows and in the original release version of Windows Server , this process runs on every domain controller in the enterprise with a default lifetime interval of 12 hours.
For Windows Server, the recommended maximum number of domains in a forest is For Windows Server , the recommended maximum number of domains when the forest functional level is set to Windows Server also known as forest functional level 2 is 1, This restriction is a limitation of multivalued, nonlinked attributes in Windows Server Ring Topology: With intrasite replication, the KCC creates a ring topology that defines the replication paths within a site.
In a ring topology, each domain controller in a site has two inbound and outbound replication partners. The KCC creates the ring so that there is no greater than three hops between domain controllers in a site. Full Mesh Topology: This topology is typically utilized in small organizations where redundancy is extremely important and the number of sites is quite small. A full mesh topology is quite expensive to manage and is not scalable.
Hub And Spoke Topology: This topology is typically implemented in large organizations where scalability is important and redundancy is less important. In this topology, one or multiple hub sites exist that have slower WAN connections to multiple spoke sites.
The hub sites are usually connected to each other through high speed WAN connections. Define what is SPN? A service principal name SPN is the name by which a client uniquely identifies an instance of a service.
If you install multiple instances of a service on computers throughout a forest, each instance must have its own SPN. A given service instance can have multiple SPNs if there are multiple names that clients might use for authentication.
For example, an SPN always includes the name of the host computer on which the service instance is running, so a service instance might register an SPN for each name or alias of its host.
Define what is AD Certificate Services? Active Directory Certificate Services AD CS provides customizable services for issuing and managing public key certificates used in software security systems that employ public key technologies.
Define what is Active Directory Federation Services? AD FS 2. Define what is Offline Domain Join? A new utility named Djoin. The computer is domain-joined when it first starts, so no restart is needed as with a normal domain join. Define what is AD Administrative Center? Active Directory Administrative Center provides network administrators with an enhanced Active Directory data management experience and a rich graphical user interface GUI.
Administrators can use Active Directory Administrative Center to perform common Active Directory object management tasks such as user, computer, group, and organization units management through both data-driven and task-oriented navigation.
Administrators can use the enhanced Active Directory Administrative Center GUI to customize Active Directory Administrative Center to suite their particular directory service administering requirements.
For Windows Active Directory environments, the recommended maximum number of members in a group is 5, This recommendation is based on the number of concurrent atomic changes that can be committed in a single database transaction.
Starting with Windows Server , the ability to replicate discrete changes to linked multivalued properties was introduced as a technology called Linked Value Replication LVR. To enable LVR, you must increase the forest functional level to at least Windows Server interim.
Increasing the forest functional level changes the way that group membership and other linked multivalued attributes is stored in the database and replicated between domain controllers. This allows the number of group memberships to exceed the former recommended limit of 5, for Windows or Windows Server at a forest functional level of Windows So far, testing in this area has yet to reveal any new recommended limits to the number of members in a group or any other linked multivalued attribute.
Production environments have been reported to exceed 4 million members, and Microsoft scalability testing reached million members. Contains startup files 2. Registry 3.
Memory page file 5. System files 6. AD information 7. Cluster service information.