When the TFS4JIRA Self-Hosted server undergoes a restart for any reason, whether intentional or due to other factors, the customer user does not access the Synchronizer UI for 3-4 days or n days. In , in that case, issues synchronization synchronisation will only happen once the Synchronizer UI is opened if you desire automatic syncing upon server restart without the need to open the UI, As as you have already enabled the App Pool StartMode to be set as AlwaysRunning.
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