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MQ_ERROR_SERVICE_NOT_AVAILABLE
MQ_ERROR_SERVICE_NOT_AVAILABLE means that the application could not connect to the Message Queuing service or queue manager. It is a service-availability condition, so changing an individual queue property will not resolve it until the service path is available.
What to check
- Confirm that the Microsoft Message Queuing service is installed, started, and healthy on the relevant computer.
- For remote work, distinguish a local queue-manager failure from remote connectivity or name-resolution failures.
- Review service and system event logs before retrying operations that create, open, or translate queue names.
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