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Is there only one domain controller in an active directory domain that is writeable or are the rest read only?
All primary Domain Controllers have read and write privilages. Only the backup copies are read only.
How does a RODC differ from a normal domain controller?
RODC has Read only NTDS.Dit file & other hand Domain controller(ADC & DC) have read & write NTDS.Dit file. Replication is only one way.. DC to RODC Amit Tripathi Annik SAT
What is it possible to do when using a Read-Only Domain Controller?
Its similar to a Domain Controller, but it runs teh fuctions for a remote office to provide people / uders access to the Active Directory Domain Services like accesing to their accounts and objects.
To provide fault tolerance active directory utilizes what replication model?
RODC (Read-Only Domain Controller)
What domain controller contains a copy of the ntds.dit file that cannot be modified and that does not replicate its changes to other domain controllers within Active Directory?
Read Only
What is rodc?
The RODC refers to the additional domain controller for the domain that hosts the read-only partitions of the Active Directory database. It is designed to be deployed in a branch office environment.
What is a read only domain controller Or RODC?
One of the new features receiving close attention in Windows 2008 is a new breed of domain controllers referred to as Read-Only Domain Controllers, also known as RODCs. The RODC hosts a copy of the Active Directory (AD) database like any other writable domain controller, but as its name implies, the contents replica of the domain database residing on the domain controller is read-only and write operations are not supported. It is equally important to mention that the RODCs do not participate in Active directory replication in the same fashion as writable domain controllers. The fundamental difference between RODC replication and the typical multimaster replication model between writable domain controllers is that RODCs replication is unidirectional. This means all changes from a writable domain controller are propagated to the RODCs. As a result, the RODC receives changes, but does not partake in or perform outbound replication with other domain controllers. Read-only domain controllers (RODCs) in Active Directory, intended for use in branch office or other scenarios where a domain controller may reside in a low physical security environment. The RODC holds a non-writeable copy of Active Directory, and redirects all write attempts to a Full Domain Controller. It replicates all accounts except sensitive ones.In RODC mode, credentials are not cached by default. Moreover, only the replication partner of the RODC needs to run Windows Server 2008. Also, local administrators can log on to the machine to perform maintenance tasks without requiring administrative rights on the domain.
What are the security administrative issues addressed by a read only domain controller?
Each RODC will have an analagous group that will prevent users passwords from being stored only on a single DC. Members of the purpose group are not eligible to have their passwords stored on any RODC in the domain
Which rodcs do not participate?
One of the new features receiving close attention in Windows 2008 is a new breed of domain controllers referred to as Read-Only Domain Controllers, also known as RODCs. The RODC hosts a copy of the Active Directory (AD) database like any other writable domain controller, but as its name implies, the contents replica of the domain database residing on the domain controller is read-only and write operations are not supported. It is equally important to mention that the RODCs do not participate in Active directory replication in the same fashion as writable domain controllers. The fundamental difference between RODC replication and the typical multimaster replication model between writable domain controllers is that RODCs replication is unidirectional. This means all changes from a writable domain controller are propagated to the RODCs. As a result, the RODC receives changes, but does not partake in or perform outbound replication with other domain controllers.
What is the Difference between server and domain controller?
Server is a computer which serves files to other users or computers. A server can be a windows XP operating system also, but it does not have any securityDomain controller is a computer which controls other users or computers .A domain controller must have windows 2003 server operating system and need to configure as a domain. It has a Excellent security
How can define primary domain controller or additional domain controller?
On Windows Server Systems, a domain controller (DC) is a server that responds to security authentication requests (logging in, checking permissions, etc.) within the Windows Server domain. 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. Additional Domain Controller (ADC) or Backup Domain Controller (BDC) is a backup computer hosting DC services to be used as a backup in case your primary DC goes down or is somehow unavailable. The Primary Domain Controller (PDC) and BDC synchronise their data on a regular basis so that either can be used as DC.
What are the differences between Windows NT 4 and Windows Server 2003?
In NT 4, there are primary domain controllers (PDCs) and backup domain controllers (BDCs). Only one PDC can exist per domain. The PDC hosts a read/write copy of the domain database, and the BDCs each house a read-only version of the same information, thus providing some measure of redundancy and infrastructure scalability. But in the event of a loss of the PDC, you can't make changes to the domain until you replace it. However, users can continue to log in using a BDC. In Active Directory, with the exception of specific roles (i.e., Flexible Single Master Operations, or FSMO), all domain controllers function equally. The system replicates changes made to read/write versions of the domain database to all other domain controllers, resulting in a much more robust and scalable infrastructure. A single domain controller does serve the FSMO roles, but you can move these roles to any other domain controller at will. Another key difference between NT and Active Directory is the process by which a server becomes a domain controller. In NT, once a server is a PDC or a BDC, only reinstalling Windows can downgrade it to a member server (and vice versa). But in Windows 2000 and Windows Server 2003, you use the DCPromo utility to handle this process. This utility can upgrade and downgrade servers to and from domain controllers and member servers
