I have a floating license for my LogiCORE IP (or third party IP) running on one server and the Vivado Synthesis/Implementation floating license on a different server.
Xilinx Licensing Configuration Manager (XLCM) shows all of the licenses are valid and available. However, IP license checks during synthesis or implementation fail.
The Vivado and PlanAhead tools licensing scheme does not look for an IP core license feature on another server during Synthesis relative to where the Synthesis feature is found.
Until this issue is fixed, you can work around this issue by doing one of the following:
A fix for this issue was implemented in the 2014.1 release.