License to rdesktop

Today I recieved a strange message when I tried to open a RDP connection.

$ rdesktop windows.server.local Autoselected keyboard map en-us disconnect: No valid license available.

To resolve this issue you need to add the client hostname.

$ rdesktop -n hostname windows.server.local Autoselected keyboard map en-us WARNING: Remote desktop does not support colour depth 24; falling back to 16

This happens with rdeskop version 1.6.0 on Fedora 11 (rdesktop-1.6.0-4.fc11.x86_64).
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