Features on Demand in Windows Server 2012įeatures on Demand function allows to decrease space on disk which is taken for system files due to possibility of unused roles binary files deletion from WinSxS folder. However Microsoft in the new server OS (Windows Server 2012) decided to improve this disadvantage by implementation of a new function which is called Features on Demand. Windows 7 SP 1 can decrease WinSxS folder size by deleting unused updates.Īnd what should one do if the system is launched and works well, there is no need in additional roles rollout but it is still not enough space on disk? It seems quite illogical that several gigabytes on system disk are taken for installation packages which will never be needed! Unfortunately, it’s rather difficult to delete these files without any system damage in Windows Server 2008.
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Due to such architecture we can safely delete any installed update at any time and return to the old version of the feature. During installation of updates for different features in WinSXS catalogue the old and the new version of the updated feature is saved. Why is it constantly increasing in size? The answer is simple – updates. It is necessary to understand that system key components are located in WinSXS catalogue and it is not allowed to delete anything from it manually by no means. Of course in case of such attitude much more space is needed for OS. This means that in case of any additional role installation there is no need to search and connect the disk with installation package to the server.
Now all binary files which are necessary for any role roll-out are stored in folder %windir%\WinSxS (WinSxS – Windows Side By Side). Microsoft decided to change its policy for Windows additional roles and feautures in Windows Server 2008. If you remember during installation of additional features in Windows Server 2003 the installation wizard demanded to put installation disk in CD-Rom or to show the way to the catalogue with Windows Server 2003 installation package. Windows Server 2012 recover deleted roles with Powershell.Installing removed role by using Server Manager.
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How install deleted roles and features in Windows Server 2012.
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