Remote Desktop Licensing

Remote Desktop supports two concurrent connections to remotely administer a computer. You do not need a license server for these connections. However to permit more concurrent connections you need to acquire MS RD license.

Checklist: Configure Remote Desktop Licensing

http://technet.microsoft.com/en-us/library/cc731251.aspx

For moving RD Licensing from an existing Remote Desktop license server to another server, use the steps in the below article.

http://technet.microsoft.com/en-us/library/cc730776.aspx

For Migrating the RDS CALs from the existing license server to the new license server by using the Manage RDS CALs Wizard in Remote Desktop Licensing Manager, use the below link.

http://technet.microsoft.com/en-us/library/hh553155(v=WS.10).aspx

(Here you need to concentrate on the subheading Migrating CALs from Windows 2003 source to Windows 2008 R2 target)

Note: This can cause a downtime during the migration process.