When the Maintenance Service logs show the following error:

'ERROR AccessPortal.MaintenanceService.Services.TableListenerService - Could not set listener on table MESSAGES_OUTBOX'

In most cases this is caused from the SQL service broker not being enabled.

To enable the SQL service broker run the following SQL command

ALTER DATABASE [<AdminPortal>] SET ENABLE_BROKER with rollback immediate

Important

If the Admin Portal database is part of an Always-on Availability group, the database must be first removed from the Availability group so you can enable the Service Broker

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