NSClient - ERROR: Could not get data for 30 perhaps we don't

[Pratapa]

Hi

We are getting following error for one of the service checks NT-CPU. Service check is in Unknown state.

NSClient - ERROR: Could not get data for 30 perhaps we don't collect data this far back?

Service Name : NT-CPU

NSClient version NSClient++ 0.3.8.76 2010-05-27

Host : Windows server. Not sure which OS version.

Please help me in resolving this.

[Pratapa]

Could you please help me on resolving this.