zxing qr code generator example c# Exercise 5: Changing the Site License Server in C#.NET

Encoding QR Code in C#.NET Exercise 5: Changing the Site License Server

Exercise 5: Changing the Site License Server
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In this exercise, you change the site license server for a site you created in Exercise 1.
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To change the site license server On Server1, use the procedure provided earlier in this lesson to change the site license server for the Chicago site to Server2 in the contoso.com domain.
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Lesson 2
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Configuring Sites
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Lesson Review
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The following questions are intended to reinforce key information presented in this lesson. If you are unable to answer a question, review the lesson and then try the ques tion again. Answers to the questions can be found in the Questions and Answers sec tion at the end of this chapter. 1. What site is created automatically in the Sites container when you install Active Directory on the first domain controller in a domain
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2. How many subnets must each site have To how many sites can a subnet be assigned
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3. What is the minimum number of domain controllers you should place in a site
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4. What is the purpose of a site license server
5. Which of the following administrative tools is used to configure sites a. Active Directory Users And Computers console b. Active Directory Domains And Trusts console c. Active Directory Sites And Services console d. Licensing console
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5
Configuring Sites and Managing Replication
Lesson Summary
To configure a site you must create the site, create a subnet and associate it with site, create or move a domain controller object into the site, and designate a site license server for the site. When you install Active Directory on the first domain controller in the domain, a site object named Default-First-Site-Name is automatically created in the Sites con tainer on the Active Directory Sites And Services console. Subnet information is used to find a domain controller in the same site as the com puter that is authenticated during the logon process, and is used during Active Directory replication to determine the best routes between domain controllers. Each site must have at least one subnet, but a subnet can be assigned to only one site. When you install additional domain controllers in an Active Directory domain, they are installed either into the site of the source domain controller (assuming the IP address maps to the site) or into an existing site. For optimum network response time and application availability, place at least one domain controller in each site or two domain controllers in each domain.
Lesson 3
Configuring Intersite Replication
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Lesson 3: Configuring Intersite Replication
This lesson introduces you to the tasks involved in the configuration of intersite repli cation. By creating site links and configuring their cost, replication frequency, and rep lication availability, you provide Active Directory with information about how to use these connections to replicate directory data. Optionally, you can also designate a pre ferred bridgehead server, create site link bridges, and create and configure connection objects to meet your organization s replication needs.
After this lesson, you will be able to
Create site links Configure site link attributes Designate a preferred bridgehead server Create site link bridges Create and configure connection objects
Estimated lesson time: 35 minutes
Configuring Intersite Replication
To configure intersite replication you must complete the following tasks: 1. Create site links. 2. Configure site link attributes. 3. Designate a preferred bridgehead server (optional). 4. Create site link bridges (optional). 5. Create and configure connection objects (optional).
Creating Site Links
When you install Active Directory on the first domain controller in a site, the Active Directory Installation Wizard automatically creates an object named DEFAULTIP SITELINK in the IP container for the first default site, also created by the Active Direc tory Installation Wizard. You must create subsequent site links separately. When your first domain controller has been installed, you can rename the DEFAULTIPSITELINK to the name you want to use for the site link.
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5
Configuring Sites and Managing Replication
Replication Transport Protocols
Directory information can be exchanged over site links using one of the following protocols:
Directory Service Remote Procedure Call (DS-RPC) Designated in the Windows Server 2003 operating system as IP. Choose IP replication for a site link when there is a live, reliable connection between two or more domain controllers in different sites. IP site links communicate synchronously, mean ing each replication transaction must complete before another can start. By default, intersite IP replication adheres to replication schedules and does not require a certificate authority (CA). Inter-Site Messaging Simple Mail Transport Protocol (ISM-SMTP) Designated in the Windows Server 2003 operating system as SMTP. Choose SMTP replication when the network connections are unreliable or not always available. SMTP site links communicate asynchronously, meaning each replication transaction does not need to complete before another can start because the transaction can be stored until the des tination server is available. Because SMTP is asynchronous, it does not adhere to rep lication schedules and requires the installation and configuration of a CA. The CA signs SMTP messages that are exchanged between domain controllers, ensuring the authenticity of directory updates.
Note Installing a CA is beyond the scope of this training kit. Refer to the Microsoft Windows Server 2003 Resource Kit (located on the Microsoft Web site at http://www.microsoft.com/ windowsserver2003/techinfo/reskit/resourcekit.mspx) for more information on this topic.
The following rules apply to the replication transports:
Intrasite replication always uses RPC over IP. Intersite replication can use either RPC over IP or SMTP. Intersite replication using SMTP is supported only for domain controllers in differ ent domains. Domain controllers in the same domain must replicate using RPC over IP.
Use the Inter-Site Transports container to map the site link to the replication transport. If you create the site link in the IP container, it will use RPC over IP as its transport pro tocol. If you create the site link in the SMTP container, it will use SMTP as its transport protocol.
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