Dell Support Assist will install the correct version of DSET.
You can verify if DSET is installed on the Host Machine by select Start > Programs > DSET 3.x?
The following link is the community page which has some videos for setup and configuring which could be helpful
en.community.dell.com/.../default.aspx
From my understanding you’ve done the following?
1. Discovered the linux devices via OME
2. Generated an alert which OME picked up and sent to the DSA plugin?
3. Viewed the failed message on the DSA GUI?
If so, did you check the log for failed DSET error codes?
C:\Program Files (x86)\Dell\Dell Integrated Support\logs\log-file.txt