Install terminal services and .NET Framework 3.5 on windows server 2008 2012 r2 standard

Open Server Manager (type in start menu to find it) - or Control Panel - System and Security - Administrative Tools - Server Manager
or Right click My Computer - Manage

Server 2008 :
Click Roles - then click - Add Roles
On the Before You Begin - Click Next
On Server Roles - select Remote Desktop Services - formerly known as Terminal Services
Continue the wizard.

To install .NET Framework 3.5
Open Server Manager
 Click Feartures- then click - Add Features
 Select .NET Framework 3.5 

 Server 2012 :
Mange - Add ROles and Features -- same as above
On 2012 you have to specify additional path to windows 2012 dvd

Error loading dll file

Error loading midas.dll

regsvr32 midas.dll for registering a file
regsvr32 /u midas.dll for unregistering a file

http://en.wikipedia.org/wiki/Regsvr32

Diskpart - hide or unhide a partition in windows

Type in a cmd : diskpart

To hide a partition type :

list volume
select volume 2
remove letter d

To make it appear back : 

select volume 2
assign letter d

If you mount the ESP partition like this, in windwos 10 you get an error message that you are not allowed to access it.
Open Task manager -> Run new task -> Browse.
Here you can access, edit, create, delete files. 

Or open Disk Management : diskmgmt.msc
 Right click on a partition and select - Change Drive Letter and Paths...
and then add or remove a letter.