ansys安装遇到问题

yousou

安装ansys后，3个都在running
ANSYS, Inc. License Manager status:
Licensing Interconnect: running
Licensing Interconnect Monitor: running
FLEXlm: running
但是打开workbench时
Could not connect to any license server. The server is down or is not responsive.
这是怎么回事，该如何解决啊{:soso_e105:}