Windows 2012 R2 Essentials (RDP only allows two concurrent connections)

just deployed windows 2012 r2 essentials server with 10 user Remote Desktop CALs setup but when I try to get more than two users logged in I get an error about disconnecting a current logged on user before the new RDP session can be made
Have missed a configuration step?
is this a limitation with r2 essentials? and if so; can I upgrade the server in place or do I need to reconfigure completely from scratch?
all help is greatly appreciated

delebute
David ElebuteSystems ConsultantAsked:
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Scott CSenior EngineerCommented:
Searching technet leads me to believe that Essentials only supports 2 active RDP sessions. After your two active sessions are up it will disallow any others.

http://social.technet.microsoft.com/Forums/windowsserver/en-US/cd20fb7f-42e2-474b-9f91-f585284d4324/...
Andy MIT Systems ManagerCommented:
I believe essentials will only allow 2 active sessions (users logged on) regardless of how many licenses you have. In order to use it as a terminal server for more than 2 users you will need to upgrade to Standard as a minimum.
JohnBusiness Consultant (Owner)Commented:
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Scott CSenior EngineerCommented:
In order to use Server 2012 RDS the way it was intended, you need to have a 2012 server joined to a domain (not a DC).  This implies a minimum of two servers, one for a DC, and one for RDS, which both can be VMs.
David ElebuteSystems ConsultantAuthor Commented:
I already installed applications for users to use
so should I delete the box and start from scratch again or can I upgrade to Windows 2012 Standard in place?

delebute
JohnBusiness Consultant (Owner)Commented:
I think you can upgrade in place (but I have not done this).

https://technet.microsoft.com/en-us/library/jj247582.aspx?f=255&MSPPError=-2147217396

See if that helps.

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rindiCommented:
As the RDS server shouldn't be a DC like Essentials is, it doesn't make much sense doing an in place upgrade, you have more work that way. I'd rather leave the essentials server there as your DC, and just add the RD server as a separate box or VM, connect it to the essentials server's AD domain, and then install the software you need. Installing software usually is quick.
David ElebuteSystems ConsultantAuthor Commented:
running in place upgrade now thank you all
and in response to david Johnson; yes I did go through the wizard
but I did not resolve my issue
needed an RDP environment (one server and multiple users)

delebute
JohnBusiness Consultant (Owner)Commented:
@David Elebute - Thanks for the update and I was happy to help.
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Windows Server 2012

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