The cdm probe on windows servers is reporting negative values in alarms for Windows Volumes usage and it is a false alarm.
The Windows Volume has 27.6 TB of free space:
But it is generating the following alarm with negative value:
Release : 20.3
Component : UIM - CDM WITH IOSTAT
Please upgrade to cdm probe 6.70 and above
This cdm version fixed an issue where the metric disk free is showing negative value (-21474836.48) in alarm message when the disk size is too large.