how to active hyperic license???

hello

i have license like xxxx-xxxx-xxxx-xxxx

this document

http://pubs.vmware.com/vfabric52/index.jsp?topic=/com.vmware.vfabric.hyperic.4.6/Install_or_Configure_vFabric_Hyperic_License.html&path=7_2_5_20_0

so i create a file in /etc/opt/vmware/vfabric/vf.aaa-bbb-ccc-ddd.txt

but hyperic administrator > HQ License Information

not active my license

how can active?