Exchange 2013 Datacenter CAS Server Start using CORE command prompt.

I tried to fix issue using following command but still problem is unresolved:
1. sfc /scannow
2. Bootrec /RebuildBcd
5. x:\sources\recovery\startrep.exe (by attaching CD/DVD)

DISM.exe /Online /enable-feature /featurename:NetFx4 /all
DISM.exe /online /enable-feature /featurename:MicrosoftWindowsPowerShell /all
Install-WindowsFeature Server-Gui-Shell
Install-WindowsFeature Server-Gui-Mgmt-Infra

Sconfig then ServerManager

Even trying to install roles from another server.
Ghayur AbbasTechnical HeadAsked:
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viktor grantExchange ServersCommented:

You have several options but since the machine is not working. The quickly option is to create a new machine. You can perform a recovery or install new exchange with migrating all the data.


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Seth SimmonsSr. Systems AdministratorCommented:
start by determining who made that change and why - especially since exchange 2013 doesn't support core
servers don't just switch to core on its own; someone had to remove the feature

if there are no mailboxes on this server and is CAS only, that could make your life a bit easier in terms of building a new box
Ghayur AbbasTechnical HeadAuthor Commented:
Very helpful.
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