After opening DSM Explorer, the Remote Control branch is missing from the explorer tree. Additionally, remote control options are also missing from the context menu when right-clicking on an agent.
Client Automation -- any version
Run the following in SQL, against the mdb for the manager:
select usage_list from ca_n_tier where domain_uuid in (select set_val_uuid from ca_settings where set_id=1)
If the result is all zeros:
Run this statement:
where domain_uuid in (select set_val_uuid from ca_settings where set_id=1)
Close and re-open DSM Explorer, and Remote Control will be available again.