Hi, we received an incorrect alert information from Performance Monitors, alert shows 113% the partition alarm, This server currently have 992GB free space out of 9TB capacity on drive E.

Is there a limitation on monitored capacity for every partition? As how come it shows 113% partition alert. 

Partition Details of the Device (%) for E:\ Label:XXX-XXXX-02E Serial Number 2cee6fa5 is 113 Percentage, threshold value for this monitor is 90 Percentage