Is there a report that lists Requesters that don't have a ticket?

Is there a report that lists Requesters that don't have a ticket?

I need to delete superflous requesters in SDP. We've already cleared out those that didn't have a Domain associated (except for a few manual accounts) and now we wan to remove the others that doesn't have a request attached to them.

So is there a report that lists Requesters (userId, login name and e-mail) and that don't have a ticket associated to them?

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