"Scheduled Task and Policies" only shows what tasks the client is currently a member of. Once the client is removed, so is that record in the list.
For history, you would want to look at Inventory under "LANDESK Management" - "Software Distribution" - History. I am on version 2016 so it is possible that the information may not be there or may be in a different location. I can't recall how far back LANDESK started keeping history for that.
Thank you, that is exactly what I was looking for. It's the same on 9.5. I can't believe I've been an admin since 8.7 and I didn't know it was there. I guess you do learn something new everyday.
Haha, no worries. Glad I could help.