The power state metric for the server still device is currently missing from the report.
UIM 23.4.5
Follow the below step:-
== Login the Robot machine and stop the Nimsoft watcher services
== Delete the contained of niscache folder ( remove all the file).
== Start the Nimsoft watcher Services on Robot machine
== Go to IM ==> Primary hub and deactivate & Activate the Discovery Server and wait for some