Mac OS X 10.8.1 and Cisco Nac Agent to 4.9.1.683

We have this problem with on of our clients:
"Cisco NAC Agent is having a difficulty with the server. Agent user operation system
is not supported".
Anyone encounter this problem ?
thanks.

Hi Tarik,
We have:
Cisco Clean Access Server   Version 4.9.0
Cisco Clean Access Lite Manager   Version 4.9.0
I can see Your point now,  that I should start from upgrading to 4.9.1.
Let me do  that, and see if it helps.
thanks  very much, I will keep You posted.

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