Terminal Services 2003 licensing with server 2012 DC

We upgraded our Domain controllers to server 2012 including our terminal services
licensing server.
We still have a server 2003 Terminal services server and now the licensing fails.

Is there a trick I can play to get my old 2003 TS server to validate licenses against our new 2012 Licensing server.

Jo CoxAsked:
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David Johnson, CD, MVPOwnerCommented:
no you have to use the 2003 licensing server .. if you use the 2012 licensing server you need 2012 cals.
Jo CoxAuthor Commented:
Can I setup another licensing server running windows 2003 parallel to my 2012 licensing server all in the same domain?
David Johnson, CD, MVPOwnerCommented:
you should be using your older 2003 licensing server!  just don't add the role to server 2012
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Jo CoxAuthor Commented:
The role has already been added to a 2012 server and the original 2003 server has been deleted. So I need to back track. Can I run 2 Licensing servers in parallel? or will I have to point my new 2012 terminal server at an old 2003 server?
David Johnson, CD, MVPOwnerCommented:
Add the 2K3 CALS to the 2K12 License Manager but you are restricted to using 2K3 connections and not using the 2K12 Remote Desktop Session Host servers
Can a license server manage higher version CALs?
No, a license server can only manage CALs of the same version or lower. For example, a license server running Windows Server 2003 can manage Windows Server 2003 TS CALs and Windows 2000 Server TS CALs, but not Windows Server 2008. Note that Windows Server 2008 R2 CALs are compatible with Windows Server 2008 CALs, so both can be managed by Windows Server 2008 (as well as by Windows Server 2008 R2).

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The issue here is that you may have deleted the CALS when you deleted the 2003 license server.

2012 licensing server works fine for 2003 RDP servers, but you need the CALS installed on it.

Do you still have the RDP CALS (license keys) for your 2003 RDP connections?

If yes, install them on the 2012 license server and deal with any warnings/errors relating to being installed on too many servers.

If you don't have them you're a bit stuck.
Jo CoxAuthor Commented:
Added the 2003 CAL's to my 2012 server, it asked for My schools agreement number. Told the 2003 terminal server the netbios name of the license server via the registry; bounced it.
All good
Many Thanks.
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