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Navigation menu Personal tools. Namespaces Page Discussion. Views Read View source View history. This page was last modified on 27 October , at Copyright Payload Media, Inc. Live migration enables a highly fault-tolerant virtualization infrastructure, and dynamic addition and removal of disks simplifies backup scenarios and overall management of virtualized resources. Server Manager can now also be used remotely.
Themes Visited Throughout the Book Throughout this book, we focus on what is new and different in Windows Server R2, and we assume that you have at least some familiarity with Windows Server Inevitably, there will be some overlap between the features that were introduced in Windows Server , and the improvements or changes in R2.
We try to keep from telling you what you already know about Windows Server , but in some cases we need to set the stage as we go, so bear with us, please.
These BPAs are part of the role-based management of Server Manager, and they scan for deviations from known best practices for the particular role. A typical error is shown in Figure Windows PowerShell 2. This new version of Windows PowerShell adds many new cmdlets, and has built-in support for running commands remotely. It is available for earlier versions of Windows operating systems, but it is installed by default in Windows Server R2. We use it to provide simple scripts or command-line ways of doing tasks throughout the book.
An important design criterion for Windows PowerShell 2. This protects your existing investment in Windows PowerShell scripting and makes it easy for you to extend your existing Windows PowerShell knowledge to encompass the new capabilities of 2.
The installer, originally introduced in Microsoft Windows Vista, is an image-based install that is noticeably quicker than earlier versions of Windows Server. Configuration continues the role-based model introduced in Windows Server , now with a new ServerManager module for Windows PowerShell as an option for adding and removing roles and features.
Additionally, for Server Core, the command-line utility used to add and remove roles has changed. In Windows Server , the utility is Ocsetup. With the release of Windows Server , Microsoft added a new installation option called Server Core. This installs a version of Windows Server that has a limited subset of available roles and functionality, and no graphical interface, as shown in Figure Server Core is not a separate edition of Windows Server R2, it is an installa- tion option that has a reduced footprint and reduced overhead, but still provides all the underlying server functionality of the roles that are available on it.
Instead, you buy whatever version of Windows Server you need for your network, and when you install Windows Server, you choose a Server Core installation, as shown in Figure Management of server roles can be done from the command line, or from remote management tools running on other computers in the network.
So, why choose Server Core? After all, most Windows Server administrators are a good deal more comfortable with the familiar Windows graphical interface than they are with the command line, and even an experienced administrator can find the single Cmd.
The two reasons we find most compelling are the reduction in resource usage—a Server Core installa- tion is physically smaller and uses less RAM—and the improved security footprint— because there are fewer services and features installed, there is a smaller attack surface. This also has the added benefit of requiring fewer security-related updates and potentially fewer server restarts.
System Requirements and Scalability The system requirements for Windows Server R2 are essentially the same as for Win- dows Server , with one very important exception: There is no bit version of Windows Server R2.
There are only bit versions. The minimum system requirements are shown in Table Table shows the breakdown by edition. The exception to this is the Hyper-V role of Windows Server R2, which supports a maximum of 64 logical processors for a single physical server. In both cases, it allows the Hyper-V hypervisor to manage memory, especially of large- memory virtual machines VMs , more effectively and with less overhead in the parent partition.
Guest operating systems can now be allowed to directly manage their own page tables, without the need for the hypervisor to intercept those calls, reducing the overhead required for the Hyper-V parent to maintain shadow page tables in software.
The cost of the power itself, along with the resulting cost of cooling to remove the excess heat generated, adds significantly to the overall cost of running a datacenter. Modern server processors have helped improve this by using less actual power per CPU, but this has been offset to some extent by the increas- ing need for more RAM and more CPUs. Windows Server R2 helps manage the overall power consumption of datacenters in several ways, including the following: n Server consolidation Windows Server R2 supports more logical processors per physical Hyper-V host, giving you the ability to consolidate more workloads onto fewer physical servers.
When processor demand increases, Windows Server R2 reenables cores as necessary to maintain system performance. CSV volumes enable multiple nodes in the same failover cluster to concurrently access the same logical unit number LUN. Also new in failover clustering is improved connectivity fault tolerance, and an enhanced cluster validation tool. Scalability A key design goal was to provide higher performance for Windows Server R2 on similar hardware. You can use NLB to distribute workloads across the cluster nodes to support a larger number of simultaneous users.
The general rule is that upgrades of the same architecture, language, edition, and platform from Windows Server SP2, Windows Server R2, and Windows Server are supported. Upgrades from beta builds of Windows Server R2 are not supported, and upgrades from versions of Windows Server prior to Windows Server SP2 are not sup- ported.
If you are running a bit version of Windows Server, even if the underlying hardware is bit, there is no upgrade available. The specific supported upgrade scenarios are shown in Table There is no upgrade path for Itanium versions of Windows Server—the expectation is that a full, clean install will be performed. There is also no way to upgrade to Windows Server R2 Foun- dation.
This is especially true if the server being upgraded has already gone through one or more upgrades to get to its current level. However, before you can make a computer running Windows Server R2 a domain controller, you do need to prepare the forest and the domain that will have an R2 domain controller.
To prepare the forest, follow these steps: 1. Log on to the domain controller that holds the Schema Master flexible single mas- ter operations FSMO role with an account that is a member of the Schema Admins group. Open a command prompt as administrator and change to the directory where you copied the files. Allow the changes to replicate before preparing the domain. Allow the changes to replicate before installing the new Windows Server R2 domain controller.
Before you start the installation on x64 systems, however, you need to verify that you have digitally signed drivers for any hardware that will be used on the server. Starting with Windows Server , all drivers for x64 versions of Windows Server must be digitally signed or they will not load during the boot process. As you can see in Figure , you must choose the edition of R2 you want to install. This choice must match the license key you use to activate the software or activation will fail.
Configuration The final step of the Windows Server R2 installation is setting the password on the Administrator account, as shown in Figure The default password policy for Windows Server R2 is to require a minimum of six characters, with at least three of the four categories of characters: lowercase, uppercase, num- bers, and nonalphanumeric characters.
Passwords expire in 42 days, by default. Once a server is joined to a domain, the policies of the domain will apply for domain accounts, but the local security policy will still apply for local accounts, as shown in Figure The OOBE is a useful wizard for the initial configuration of a server, providing easy access on a single page to most of the tasks you need to get your server up and running.
Windows Server and Windows Server R2 both use role-based configuration. When you want to enable specific functionality on the server, you add the role, role service, or feature that includes that functionality. This is an important change that ensures that each role gets only the services and features enabled that are required by the role and no others, limiting the overall attack surface of the server.
Enabling the role also configures the Windows Firewall for that role, enabling the role or feature to work without opening up unnecessary ports that could create an unintended security risk. There are 17 possible roles and 42 different features that can be enabled on Windows Server R2 Enterprise Edition. New in Windows Server R2 is the ability to run the Server Manager remotely without having to open a Remote Desktop session to the remote server.
To add a role service for an already installed role, highlight that role in the tree pane and, from the Action menu, select Add Role Service. All three wizards are essentially the same. The Add Role Wizard is shown in Figure A new alternative that makes it easier to script and automate the configuration of servers is Windows PowerShell. Windows Server R2 has a new ServerManager module that can be used to add or remove roles, role services, or features.
Windows Server Core The option to choose a minimal environment for running specific server roles was a very new installation option in Windows Server , and that option has been enhanced in Windows Server R2 with the addition of Active Directory Certificate Services as a role, and the inclusion of Windows PowerShell as a supported feature.
Server Core is an installation option, not a separate edition of Windows Server R2. Once the server is configured, however, you can use standard remote management tools to manage the roles and features on the server, including using Server Manager. The following steps outline how to perform a basic Server Core configuration to give the server a fixed Internet Protocol IP address and join it to the domain.
Use the commands shown in Figure to configure the network adapter for a fixed IP address of Now, join the server to the example. Now, configure the firewall for remote administration and enable remote management through the firewall, using the commands shown in Figure This includes enabling remote Server Manager, remote management consoles, and Windows PowerShell, which are critical steps to getting your Server Core installation ready to use. Managing Server Core Once Windows PowerShell is installed, and you have remote management and Remote Desktop enabled, you are in a position to manage the server comfortably using familiar tools.
You can manage a server running Server Core installation in the following ways: n Locally and remotely using a command prompt By using the Windows command-line tools at a command prompt, you can manage servers running a Server Core installation. The shell in the Terminal Server session will be the command prompt. Figure shows Server Manager connecting to a Server Core computer.
Hyper-V provides a fast, fully supported, hypervisor-based virtualization solution that gives you the flexibility to manage your IT resources more effectively and efficiently. In this chapter we look at the changes to Hyper-V for Windows Server R2 and how to most effectively use them in your environment. The key areas of improvement in Windows Server R2 Hyper-V are as follows: n Scalability Hyper-V now supports up to 64 logical processors per physical host.
Most virtualiza- tion either was very expensive or was based on using an emulation layer of software that ran on top of the operating system. With the release of Hyper-V, however, that changed dramatically, and nearly everyone in IT is actively investigating or already deploying virtualized servers and applications. So why the rush to virtualize? There are several different reasons why organizations choose virtualization, but the two we hear as the most common drivers are the following: n Flexibility n Server consolidation and utilization Virtualization gives you the flexibility to quickly create test environments, to move workloads from one server to another, and to rapidly deploy additional VMs to meet chang- ing requirements.
It also gives you a far greater degree of hardware independence, as the virtualized workload sees a consistent virtualized hardware across a wide range of physical hardware. Virtualization plays an important role in enabling organizations to make the most effec- tive use of their hardware resources. By virtualizing multiple workloads onto a single physical server, each in its own VM, you can take advantage of underutilized computer resources while simplifying the overall management of your infrastructure.
Virtualization also helps you save money. By having fewer physical computers, you reduce your energy consumption, datacenter space requirements, and hardware support costs, while also reducing your carbon footprint, a not insignificant consideration these days. Licensing Windows Server R2 Hyper-V requires no additional licensing to use on those editions in which it is available.
There are no additional Client Access Licenses required, either. With Windows Server R2 Datacenter, you have an unlimited license to run virtualized instances of the Windows Server software.
This can make the price of Windows Server R2 Datacenter a compelling bargain in heavily virtualized environments. You can use Windows PowerShell cmdlets.
It integrates into the Server Manager console or runs stand-alone as shown in Figure With the Hyper-V console, you can manage all aspects of a VM except clustering. You can add or delete VMs, add networks, change the settings on a VM, export it, take a snapshot, and all the other things you need to do to a VM.
One key requirement is to leave one net- work interface card NIC exclusively for managing the server. In a production environment, unlike our test environment here, you should also plan on having at least one dedicated NIC for each VM on the server. As you can see, planning for virtualization means configuring your servers with multiple NICs. If you use the wizard to automatically create a new virtual hard disk VHD , it will create a dynamically expanding VHD file, which is nice for only using the space you really need, but imposes a performance penalty as it has to periodically expand the disk space.
A better option is to use the New Virtual Hard Disk Wizard, shown in Figure , to create the VHD file before you create the VM, allowing you to specify a fixed size or pass-through disk for optimal performance. NOTE One of the areas where Windows Server R2 improves on the performance of Windows Server is dynamically expanding disks, which have been optimized in R2 to reduce the performance penalty.
However, fixed-size VHDs are still recommended for production servers. Another consideration when using the New Virtual Machine Wizard is that it automatically assigns only a single processor and a single disk to the VM it creates. In the Settings dialog box, you can change the virtual hardware that is used by the VM, along with management settings for the VM. Only a limited subset of the virtual hardware of a VM can be modified while the VM is running or in a saved state.
These include changing the connection of a network adapter but not the number of network adapters , changing the DVD or Diskette Drive connections, and adding or removing a hard disk. This last feature is an important change in Windows Server R2 that allows you to dynamically manage the storage used by a VM.
The current release as of this writing is still version 1. Because this project was designed to work with Windows PowerShell 1.
That will likely change with the next version of PSHyperV. You can migrate the storage within a host, or across hosts, with short downtimes—on the order of a couple of minutes, depending on the speed of the network and the speed of the storage.
Queuing of Live Migrations One limitation of live migration is that you can only do one at a time on a given host, either as source or target. SCVMM adds the ability to queue live migrations on a host by detect- ing that a migration fails because another one is in process, and relaunching the migration in the background after waiting. The wait between tries increases after each failure, up to a maximum. This could be a slow process on a busy network with large VHDs.
Host-Compatibility Checks In migrations between hosts, the CPU and other host hardware needs to be compatible for the migration to succeed. This enables users to check if a VM is compatible without having to do the migration, only to discover that the VM cannot start or run on the host.
But an even better feature is that you can use the graphical console to help build a library of scripts that you can then modify for repeat use. When you perform an action in the console, as the last step before you execute it, you have an option to click View Script, which opens a Notepad window with the Windows PowerShell script that will be executed. For example, Fig- ure shows the Summary page for adding a new filesystem share to the library, and Figure shows the Windows PowerShell code that was displayed with the View Script button.
In Windows Server , you were pretty limited in your options for storage, and even if you used failover clusters, you still had limited flexibility. R2 changes that dramatically with the addition of CSVs in Windows failover clustering. Live migration has the following benefits: n Provides better agility Datacenters with multiple Hyper-V physical hosts can move running VMs to the best physical computer for performance, scaling, or optimal consolidation without affecting users.
Live migration makes it possible to keep VMs online, even during maintenance, increasing productivity for users and server adminis- trators. Datacenters can now also reduce power consumption by dynamically increas- ing consolidation ratios and powering off unused physical hosts during lower demand times. Live migration and Quick Migration both move running VMs from one Hyper-V physical computer to another, but with an important difference: Quick Migration saves, moves, and restores VMs, resulting in some downtime, whereas live migration uses a different mechanism for moving the running VM to the new physical computer.
Briefly, live migration uses the following process: 1. Any page modifications that occurred during step 1 are transferred to the destination physical computer. The destination VM is brought online on the destination Hyper-V server. A live migration results in significantly less downtime for the VM being migrated compared to a Quick Migration or a simple move, making it preferable when users need uninterrupted access to the migrating VM. Because a live migration completes in less time than the Trans- mission Control Protocol TCP timeout for the migrating VM, users experience no outage for the migrating VM during steps 3 and 4 of the migration.
There are no concerns about differences in hardware, and especially no concerns about different capabilities of the CPUs. Because Hyper-V can take advantage of the processor capabilities in the newest Intel and AMD processors to improve the overall speed and efficiency of the VMs running on the physical host, the default is to use whatever processor features are available on the original host when the VM is created. With identical processors, both live migration and Quick Migration work as expected.
You can click some pages to get some free download direct links. Here, we list some for you. Free Download Windows Server R2 x Download Windows Server R2 Datacenter. I have the license key, I've lost my install disk during a move.
That's what I am thinking too. It's an OEM version purchased from Dell I may reach out to them as well, but it's been a while so I'm not holding my breath. I can see if DISM works.. When I click on that link there isn't a download options that I see. If you're clicking on the archive. That's an. Web icon An illustration of a computer application window Wayback Machine Texts icon An illustration of an open book.
Books Video icon An illustration of two cells of a film strip. Video Audio icon An illustration of an audio speaker.
- Windows Server Editions and System Requirements - Techotopia
[SOLVED] Windows Server R2 iso - Windows Server End of Support - Developer's Description
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