You want to know how the "Excluded Software Releases" report populated.
You want to see which vendors/patches have been excluded.
IT Management Suite (ITMS) 8.1 and 8.5
Go to Home>Patch Management and click on "Compliance Dashboard" You will see the following:
This shows the number of Software Releases that have been excluded from patching. Clicking on the number will bring up a list of all the Software releases and vendors that you have excluded from Patching.
The "Excluded Software Releases" report is populated by the "MetaData Import Task".