A Scheduling Hearing usually involves setting deadlines and future court dates. I would not advise my client to bring her/his witness with him to a Scheduling Hearing.
On Montgomery County once you file your service of process papers the assignment office generated a scheduling conference. If more than 30 days (if in state) or 60 days (out of state) has passed you will be required to file a Motion for Default along with a Military Affidavit certifying he is not in the military. You will not get an uncontested divorce on the scheduling conference date based on what you have indicated in your question.
The answer to this question is general in nature and does not create an attorney client relationship.
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