Restored a VMWare Virtual machine from backup to ESXi and renamed the PC and now cannot Remote desktop

I restored a VMWare Virtual machine from backup to ESXi and renamed the PC and now cannot RDP into the server. I get the following error message.

The remote session was disconnected because there are no Terminal Server license servers available to provide a license. Please contact the server administrator.

I also sometimes get:

The remote computer disconnected the session because of an error in the licensing protocol. Please try connecting the the remote computer again or contact your server administrator

The server is a Terminal Server which is used in a Citrix farm. I restored to save on the massive effort of rebuilding. Also, we do have an existing licensing server with plenty of licenses.
MSSC_supportAsked:
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MSSC_supportConnect With a Mentor Author Commented:
I managed to resolve the issue by removing the NIC and giving it a new one and thus it got a new MAC address. That worked!
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jpgobertCommented:
Have you reviewed the Windows event logs to see if you're getting any authentication or service errors or warnings?  That's where I'd check first...
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
your license server is currently working?
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Neil RussellTechnical Development LeadCommented:
What exactly did you restore and rename? A PC or the TS Server?

Either way if you restore from a VM of another machine and then rename it to use as a DIFFERENT machine you should sysprep it.  If only life was that simple.....
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MSSC_supportAuthor Commented:
Sorted this issue out myself
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