Unable to run FileMaker server on redhat linux

[Pawan]

hi all,

I am unable to cofigure FMServer on RedHat 7.0.8

i install the Filemaker Server 5.5 and registering them through fm_registration <serial numer> <path>

now when i am trying to running the FMServer (fmservered start )i got this error

"Duplicate serial number from (IP ADDRess lan connected system)"

after clicking on the enter we go another message

"The maximum number of licensed users a

re currently using this copy of FileMaker Server."

(this second message is shown in the events.log file also)

Thanks in advance

Pawan