Active Directory Page 9

 

>What do you do to install a new Windows 2003 R2 DC in a Windows 2003 AD?
If you’re installing Windows 2003 R2 on an existing Windows 2003 server with SP1 installed, you require only the second R2 CD-ROM.

Insert the second CD and the r2auto.exe will display the Windows 2003 R2 Continue Setup screen. If you’re installing R2 on a domain controller (DC), you must first upgrade the schema to the R2 version (this is a minor change and mostly related to the new Dfs replication engine).

To update the schema, run the Adprep utility, which you’ll find in the Components\r2\adprep folder on the second CD-ROM.
Before running this command, ensure all DCs are running Windows 2003 or Windows 2000 with SP2 (or later).

Here’s a sample execution of the Adprep /forestprep
command:
D:\CMPNENTS\R2\ADPREP>adprep /forestprep
ADPREP WARNING:
Before running adprep, all Windows 2000 domain controllers in the forest should be upgraded to Windows 2000 Service Pack 1 (SP1) with QFE 265089, or to Windows 2000 SP2 (or later).

QFE 265089 (included in Windows 2000 SP2 and later) is required to prevent potential domain controller corruption.
[User Action] If ALL your existing Windows 2000 domain controllers meet this requirement, type C and then press ENTER to continue. Otherwise, type any other key and press ENT ER to quit.
C Opened Connection to SAV

DALDC01 SSPI Bind succeeded Current Schema Version is 30 Upgrading schema to version 31 Connecting to “SAVDALDC01″ Logging in as current user using SSPI Importing directory from file “C:\WINDOWS\system32\sch31.ldf” Loading entries… 139 entries modified successfully.

The command has completed successfully Adprep successfully updated the forest-wide information.
After running Adprep, install R2 by performing these steps:

1. Click the “Continue Windows Server 2003 R2 Setup” link, as the figureshows.
2. At the “Welcome to the Windows Server 2003 R2 Setup Wizard” screen, click Next.
3. You’ll be prompted to enter an R2 CD key (this is different from your existing Windows 2003 keys) if the underlying OS wasn’t installed from R2 media (e.g., a regular Windows 2003 SP1 installation).
Enter the R2 key and click Next. Note: The license key entered for R2 must match the underlying OS type, which means if you installed Windows 2003 using a volume-license version key, then you can’t use a retail or Microsoft Developer Network (MSDN) R2 key.
4. You’ll see the setup summary screen which confirms the actions to be performed (e.g., Copy files). Click Next.
5. After the installation is complete, you’ll see a confirmation dialog box. Click Finish

>What is OU ?
Organization Unit is a container object in which you can keep objects such as user accounts, groups, computer, printer . applications and other (OU).
In organization unit you can assign specific permission to the user’s. organization unit can also be used to create departmental limitation.

>Name some OU design considerations ?
OU design requires balancing requirements for delegating administrative rights – independent of Group Policy needs – and the need to scope the application of Group Policy.

The following OU design recommendations address delegation and scope issues:
Applying Group Policy An OU is the lowest-level Active Directory container to which you can assign Group Policy settings.
Delegating administrative authority
usually don’t go more than 3 OU levels

>What is sites ? What are they used for ?
One or more well-connected (highly reliable and fast) TCP/IP subnets.
A site allows administrators to configure Active Directory access and replication topology to take advantage of the physical network.

A Site object in Active Directory represents a physical geographic location that hosts networks. Sites contain objects called Subnets.

Sites can be used to Assign Group Policy Objects, facilitate the discovery of resources, manage active directory replication, and manage network link traffic.
Sites can be linked to other Sites. Site-linked objects may be assigned a cost value that represents the speed, reliability, availability, or other real property of a physical resource. Site Links may also be assigned a schedule.

>Trying to look at the Schema, how can I do that ?
register schmmgmt.dll using this command
c:\windows\system32>regsvr32 schmmgmt.dll
Open mmc –> add snapin –> add Active directory schema
name it as schema.msc
Open administrative tool –> schema.msc

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