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Prior to the release of Windows 8, Windows Update managed its own internal schedule to check for updates, and to download and install them. It required that the Windows Update Agent was always running in the background, consuming memory and other system resources. Windows 8 and Windows Server introduce a new feature called Automatic Maintenance. Automatic Maintenance consolidates many different features that each used to manage its own scheduling and execution logic.
This consolidation allows for all these components to use far less system resources, work consistently, respect the new Connected Standby state for new device types, and consume less battery on portable devices. Because Windows Update is a part of Automatic Maintenance in Windows 8 and Windows Server , its own internal schedule for setting a day and time to install updates is no longer effective.
To help ensure consistent and predictable restart behavior for all devices and computers in your enterprise, including those that run Windows 8 and Windows Server , see Microsoft KB article or see October cumulative rollup , then configure policy settings described in the WSUS blog post Enabling a more predictable Windows Update experience for Windows 8 and Windows Server KB The following table summarizes new features for AD DS in Windows Server R2, with a link to more detailed information where it is available.
For a more detailed explanation of some features, including their requirements, see What's New in Active Directory in Windows Server R2. The following table summarizes the new features for AD DS in Windows Server , with a link to more detailed information where it is available.
To help ensure consistent and predictable restart behavior for all devices and computers in your enterprise, including those that run Windows 8 and Windows Server , you can configure the following Group Policy settings:. The following table lists some examples of how to configure these settings to provide desired restart behavior.
Error conditions can be corrected to eliminate concerns from a partially complete upgrade. The wizard also exports a Windows PowerShell script that contains all the options that were specified during the graphical installation. Taken together, the AD DS installation changes simplify the DC role installation process and reduce the likelihood of administrative errors, especially when you are deploying multiple domain controllers across global regions and domains. For administrators that want to control the introduction of schema changes in an Active Directory forest independent of the installation of Windows Server DCs in an existing forest, Adprep.
Beginning with Windows Server , domain controllers also have the following secure default settings, compared to domain controllers that run Windows Server or Windows For more information about system requirements and pre-installation information, see Installing Windows Server There are no additional system requirements to install a new Active Directory forest, but you should add sufficient memory to cache the contents of Active Directory database in order to improve performance for domain controllers, LDAP client requests, and Active Directory-enabled applications.
If you are upgrading an existing domain controller or adding a new domain controller to an existing forest, review the next section to ensure the server meets disk space requirements. This section covers disk space requirements only for upgrading domain controllers from Windows Server or Windows Server R2.
For more information about disk space requirements for upgrading domain controllers to earlier versions of Windows Server, see Disk space requirements for upgrading to Windows Server or Disk space requirements for upgrading to Windows Server R2.
Size the disk that hosts the Active Directory database and log files in order to accommodate the custom and application-driven schema extensions, application and administrator-initiated indexes, plus space for the objects and attributes that you will be added to the directory over deployment life of the domain controller typically 5 to 8 years.
Right sizing at deployment time is typically a good investment compared to greater touch costs required to expand disk storage after deployment. On domain controllers that you plan to upgrade, make sure that the drive that hosts the Active Directory database NTDS. DIT file before you begin the operating system upgrade. If there is insufficient free disk space on the volume, the upgrade can fail and the upgrade compatibility report returns an error indicating insufficient free disk space:.
In this case, you can try an offline defragmentation of the Active Directory database to recapture additional space, and then retry the upgrade. In previous releases, Windows Server editions differed in their support of server roles, processor counts and large memory support. The Standard and Datacenter editions of Windows Server support all features and underlying hardware but vary in their virtualization rights - two virtual instances are allowed for Standard edition and unlimited virtual instances are allowed for Datacenter edition.
The following Windows client and Windows Server operating systems are supported for domain member computers with domain controllers that run Windows Server or later:. You cannot upgrade domain controllers that run Windows Server or bit versions of Windows Server To replace them, install domain controllers that run a later version of Windows Server in the domain, and then remove the domain controllers that Windows Server Note that you cannot convert a domain controller that runs an evaluation version of Windows Server directly to a retail version.
Instead, install an additional domain controller on a server that runs a retail version and remove AD DS from the domain controller that runs on the evaluation version. Due to a known issue, you cannot upgrade a domain controller that runs a Server Core installation of Windows Server R2 to a Server Core installation of Windows Server The upgrade will hang on a solid black screen late in the upgrade process. Rebooting such DCs exposes an option in boot. Project Honolulu is a flexible, lightweight browser-based locally-deployed platform and a solution for management scenarios.
One of our goals with Project Honolulu is to make it simpler and easier to connect existing deployments of Windows Server to Azure services.
With Windows Server and Project Honolulu, customers will be able to easily integrate Azure services such as Azure Backup, Azure File Sync, disaster recovery, and much more so they will be able to leverage these Azure services without disrupting their applications and infrastructure. Security continues to be a top priority for our customers.
The number of cyber-security incidents continues to grow, and the impact of these incidents is escalating quickly. A Microsoft study shows that attackers take, on average, just hours to penetrate an environment after infecting the first machine. We continue on our journey to help our customers improve their security posture by working on features that bring together learnings from running global-scale data centers for Microsoft Azure, Office , and several other online services.
Our approach to security is three-fold — Protect, Detect and Respond. We bring security features in all three areas to Windows Server On the Protect front, we introduced Shielded VMs in Windows Server , which was enthusiastically received by our customers. Shielded VMs protect virtual machines VM from compromised or malicious administrators in the fabric so only VM admins can access it on known, healthy, and attested guarded fabric. We are adding Encrypted Networks that will let admins encrypt network segments, with a flip of a switch to protect the network layer between servers.
On the Detect and Respond front, in Windows Server , we are embedding Windows Defender Advanced Threat Protection ATP which provides preventative protection, and detects attacks and zero-day exploits among other capabilities, into the operating system. This gives customers access to the deep kernel and memory sensors, improving performance and anti-tampering and enabling response actions on server machines.
A key guiding principle for us on the Windows Server team is a relentless focus on the developer experience. Since the introduction of containers in Windows Server , we have seen great momentum in its adoption.
Tens of millions of container images have been downloaded from the Docker Hub. The team learned from feedback that a smaller container image size will significantly improve the experience of developers and IT Pros who are modernizing their existing applications using containers.
In Windows Server , our goal is to reduce the Server Core base container image to a third of its current size of 5 GB. Also, the Administration console is available via Remote Desktop, allowing administration from unsupported platforms. However, unofficial workarounds allow Connector software to work on XP x Windows Home Server has not officially supported Domain Controller capability and cannot readily join a Windows Server domain.
Wireless networking is supported. Dedicated devices will have the operating system pre-installed and may be supplied with a server recovery disk which reloads the OS over a network connection. The first release of Windows Home Server, RTM release to manufacturing , suffered from a file corruption flaw whereby files saved directly to or edited on shares on a WHS device could become corrupted.
Even though the issue was first acknowledged in October , [37] Microsoft formally warned users of the seriousness of the flaw on 20 December This issue was fixed by Power Pack 1, released on 21 July Power Pack 1 added the ability to back up files stored on the Shared Folders, to an external drive.
However, there remains no way to back up the installed server operating system. Backing-up of the client backup database is available either manually using the instructions provided by Microsoft on page 24 of this document or can be done using the WHS BDBB add-in written by Alex Kuretz and available from this website. Some computer systems are available only with a bundled Windows Home Server license.
As is the case with other versions of Windows it is possible to request a refund of the license fees paid for Windows Home Server.
From Wikipedia, the free encyclopedia. Home server operating system by Microsoft released in This article relies too much on references to primary sources. Please improve this by adding secondary or tertiary sources. Closed-source Source-available through Shared Source Initiative. The Windows Blog. Archived from the original on 27 November Retrieved 24 November Windows Home Server Blog. Archived from the original on 22 November Retrieved 30 January Retrieved 14 March Retrieved 8 January Microsoft Corporation.
Retrieved 2 February Microsoft News Center. Redmond, Washington: Microsoft Corporation. Activity isn't detected when you insert or remove an SD card in Windows 8. Configuration in "Set as metered connection" does not work for non-administrator users in Windows 8. A control does not work correctly when you scroll and select items in it in Windows 8.
Screen appears garbled when you rotate the screen to portrait mode in Windows 8. The scroll bar in a bit application does not move on a computer that is running a bit version of Windows.
Pages load slowly during a Remote Desktop Services session on a server that's running Windows Server. Update adds new TLS cipher suites and changes cipher suite priorities in Windows 8. Explorer process freezes when you log on to a Windows 8. DNS corporate network name resolution fails after you connect a Windows 8. Camera application does not use a HD resolution for preview on a Windows 8. Repair on Cluster Name resource fails together with error on a Windows Server R2-based cluster.
User profile corruption after you lose network connectivity or hibernate a Windows-based computer. Same preinstalled applications are stored two times on a Windows 8. FIX: "Access is denied" error occurs on some source-initiated subscription workgroup computers in Windows. Audio redirection stops 30 to 60 minutes after you connect to a guest operating system on a Hyper-V host computer that is running Windows.
Black screen when you plug in a monitor on a computer or open a lid of a laptop that is running in Windows. Massive event ID for each network name information update in Windows 8. Windows Update history displays oldest update history events in Windows 8. One switch changes to "Internal only" after you create some external virtual switches in Windows 8.
Applications close unexpectedly when they read performance counter values in Windows 8. Error occurs when multiple pages are printed by using a WSD printer in Windows 8. Some PageMediaSize values can't be used as default in store apps in Windows 8. Corresponding roles are stuck in the "Stopping" state after one resource fails on a Windows Server R2-based cluster.
Icons or tiles freeze after you copy or paste network information in Network in Windows 8. You can't use the Xbox Video app to play a movie on your Xbox game console in Windows 8. You cannot enable bidirectional support after you upgrade to Windows 8. Selected paper size of a media does not work for print jobs on a printer in Windows 8.
Authentication fails for Windows 8. The source disk is still offline when you disable the shadow copy schedule for the disk in Windows. Prerequisites To apply this update, you must have the following update installed on Windows RT 8.
If you turn on automatic updating, this update is automatically installed. This is expected and does not trigger the full reinstallation of the Windows RT 8. The rest of the update will not be downloaded or reinstalled. Windows Update may offer this update again even when the computer already has this update installed. This is expected and intended to resolve a Windows Update client issue.
Windows Update installs only package
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