Unable to Retrieve Completed Update Sets from source instance, progress window indicates "Job is not in the queue yet"Issue Unable to Retrieve Completed Update Sets from source instance, progress window indicates "Job is not in the queue yet"CauseAn update to a large amount of old Completed Update Sets to current date made by the customer. This caused the UI Action to query over 650 Update Sets to retrieve and the progress bar window to display "Job is not in the queue yet".When logs were reviewed, found SEVERE *** ERROR *** Exceed the maximum background progress worker number: 16 SEVERE *** ERROR *** Cannot add progress worker, Retrieving update sets updated after 2018-08-22 from ... The number of available progress workers for each node is 16. (This cannot be modified)ResolutionReduce the number of Completed Update Sets being retrieved.Suggested methods to reduce the number of Update Sets are: Batch the Completed Update Sets togetherRun a script similar to UI Action in a scheduled job, which will run distributed and bypass progress worker limitations.Setup an event queue to retrieve Completed Update Sets