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Windows Server 2012 : Highly available, easy-to-manage multi-server platform - Management efficiency (part 1) - The new Server Manager

11/2/2013 9:00:00 PM
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Provisioning and managing servers efficiently is an essential ingredient for cloud computing. Whether you are a mid-sized organization implementing a dedicated private cloud, a large enterprise deploying a shared private cloud, or a hoster managing a multitenant public cloud, Windows Server 2012 provides both the platform and the tools for managing your environment.

The new Server Manager of Windows Server 2012 can simplify the job of managing multiple remote servers across your organization. Enhancements to Active Directory can make your Active Directory environment much easier to deploy and manage than with previous versions of Windows Server. Domain controllers can now be safely cloned in order to save time when you need to deploy additional capacity, and restoring domain controller snapshots no longer disrupts your Active Directory environment. Foundational to successful cloud computing is automation, and version 3.0 of PowerShell in Windows Server 2012 includes numerous enhancements that extend its capabilities and improve its usefulness in server administration.

The new Server Manager

Server Manager has been redesigned in Windows Server 2012 to facilitate managing multiple remote servers from a single administration console. Server Manager uses the remote management capabilities of Windows Management Instrumentation (WMI), PowerShell, and the Distributed Component Object Model (DCOM) for connecting to remote servers to manage them. By default, servers running Windows Server 2012 are enabled for remote management, making it easy to provision and configure remote servers using Server Manager or PowerShell. For example, in previous versions of Windows Server, you needed either physical access to a server or a Remote Desktop connection to the server if you wanted to add or remove a role or feature on the server. With Windows Server 2012, however, you can provision roles and features quickly and easily on remote servers from a central location by using Server Manager.

Server Manager is also included in the Remote Server Administration Tools (RSAT) for Windows 8, which enables administrators to manage their organization’s server infrastructure from a client workstation running Windows 8. Server Manager can also be used to manage servers running Windows Server 2008 R2, Windows Server 2008, or Windows Server 2003, provided that remote management has been suitably configured on these systems.

Using Server Manager

The dashboard section of Server Manager shows you the state of your servers at a glance. The dashboard uses a 10-minute polling cycle so it’s not a live monitoring solution like the System Center Operations Manager, but it does give you a general picture of what’s happening with each server role in your environment. For example, in the following screenshot, the tile for the DNS role indicates an alert in the Best Practices Analyzer results for the DNS Server role:

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Clicking the alert brings up the details of the alert, indicating a possible problem with the configuration of one of the DNS servers in the environment:

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The Local Server section of Server Manager lets you view and configure various settings on your local server. You can also perform various actions on the local server, or on other servers in the available pool, by using the Manage and Tools menus. For example, you can add new roles or features to a server by selecting Add Roles And Features from the Manage menu:

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The Select Destination Server page of the new Add Roles And Features Wizard lets you select either a server from the server pool or an offline VHD as your destination server. The ability to provision roles and features directly to offline VHDs is a new feature of Windows Server 2012 that helps administrators deploy server workloads in virtualized data centers:

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The All Servers section of Server Manager displays the pool of servers available for management. Right-clicking a server lets you perform different administrative tasks on that server:

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To populate the server pool, right-click All Servers in Server Management and select Add Server from the shortcut menu. Doing this opens the Add Servers dialog box, which lets you search for servers in Active Directory, either by computer name or IP address or by importing a text file containing a list of computer names or IP addresses. Once you’ve found the servers you want to add to the pool, you can double-click them to add them to the Selected list on the right:

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Servers are often better managed if they are grouped together according to their function, location, or other characteristics. Server Manager lets you create custom groups of servers from your server pool so that you can manage them as a group instead of individually. To do this, select Create Server Group from the Manage menu at the top of Server Manager. Doing this opens the Create Server Group dialog box, which lets you specify a name for the new server group and select multiple servers from your server pool to add to the group:

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Once you’ve added servers to your new group, you can select multiple servers in your group and perform actions on them such as restarting:

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The Tools menu at the top of Server Manager can be used to start other management tools, such as MMC consoles. However, as the new Server Manager of the Windows Server platform evolves toward a true multiserver management experience, such single-server MMC consoles will likely become tightly integrated into Server Manager. With Windows Server 2012, such integration is already present for two roles: Remote Desktop Services and file and storage management. For example, by selecting File And Storage Services, you can manage the file servers, storage pools, volumes, shares, and iSCSI virtual disks in your environment:

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