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RAHopkinsonFlag for United States of America

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Windows Server 2012 Core GUI Install Fails

In an attempt to minimize overhead and increase security, I installed Server 2012 as a Server Core installation.  I promoted it to the first 2012 DC in our 2003 domain, but gave up on command line and powershell when it came to configuring DNS.  I want to install the GUI interface, but the command,

Install-WindowsFeature -source:D:\sources\sxs\ Server-Gui-Shell, Server-Gui-Mgmt-Infra
bombs out after 68% complete with the following:

Install-WindowsFeature : The request to add or remove features on the
specified server failed.
Installation of one or more roles, role services, or features failed.
The source files could not be downloaded.
Use the "source" option to specify the location of the files that are required to restore the feature. For more information on specifying a source location, see http://go.microsoft.com/fwlink/?LinkId=243077. Error: 0x800f0906
At line:1 char:1
+ Install-WindowsFeature -source:D:\sources\sxs\ Server-Gui-Shell, Server-Gui-Mgmt ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~    + CategoryInfo          : InvalidOperation: (@{Vhd=; Credent...Name=localhost}:PSObject) [Install-WindowsFeature], Exception
+ FullyQualifiedErrorId : DISMAPI_Error__Cbs_Download_Failure,Microsoft.Windows.ServerManager.Commands.AddWindowsFeatureCommand

After spending about 90 minutes on Google, this seems to be related to Windows Updates being performed after the installation, but no updates have been installed.  I wouldn't mind just starting over with a new install, but I cannot find info on how to demote this DC using just the core interface.

Thanks, in advance.
Avatar of Jean-Bernard VERNEJOUX
Jean-Bernard VERNEJOUX
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hello,

In the Install-WindowsFeature, the -SOURCE option usually refers to the path where the .WIM image file is (by default it is in \sources\install.wim on an ISO install media).
Check out the online doc on
http://technet.microsoft.com/en-us/library/jj205467%28v=wps.620%29.aspx 

Did you try to insert the DVD of W2012 Instal media in the drive and try to refer it in the command like:
install-windowsfeature -source X:\Sources\Install.WIM  ...  
 (where x: is the letter of your dvdrom drive) ?
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ASKER

Yes; in the command I used (Install-WindowsFeature -source:D:\sources\sxs\ Server-Gui-Shell, Server-Gui-Mgmt-Infra), D: is the CD-ROM drive letter, and \sources\sxs is the folder that contains the files necessary for the installation.
ASKER CERTIFIED SOLUTION
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RAHopkinson
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Found answer on my own