For some reason some of our dashboards show No Data Available but not all the vSphere canned reports do this, the following show no data:
Some of the canned reports do show data:
Not sure why, I have created custom policies to exclude Dev/Test equipment but the devices in question are a part of the associated devices. This was previously working, I think it might have changed when I updated policies, but again when I look at associated objects for the policy all the items for VMWare is in there.
I haven't done any updates or changes to plugins i've mainly been tuning alerts as we get a lot of white noise.