实验室64位ansys12.1安装不上啊，出了下面的问题

0603yuanqian

安装完成后查看ANSYS, Inc. License Manager status:
    Licensing Interconnect: running
    Licensing Interconnect Monitor: running
    FLEXlm: running
都是工作状态，但启动Ansys的时候会提示Ansys License manager error：
Failover feature 'Ansys Multiphysics' specified in license preferences is not available,
System clock has been set back.
feature : ane2fl
License path:1055@yy_PC;
FLEXnet License error:-88309
For further ....