Unable to start Batch Service

There could be various reasons for the batch service to not start and you can end up seeing such error.

One of it could be that the system is in maintenance mode. In such case, you can find similar error as shown in the image in the event viewer.

Once you confirm that the system is in maintenance mode. Bring it out of maintenance mode and the try starting the batch service.

More info about maintenance mode - https://docs.microsoft.com/en-us/dynamics365/fin-ops-core/dev-itpro/sysadmin/maintenance-mode

Note: We might have to do synchronization if we change any config keys while in maintenance mode for the changes to reflect.

Command to start batch service

net start DynamicsAxBatch