.?

Is he barred from continuing service? Yes or No? He should known the answer to that question. If not, a quick walk to the S1 would Career Counselor. That will solve your issue. That said, the felony does jeopardize the Soldier’s career. It does affect his clearance; exponentially. Additionally, such a black mark kn his records makes him a target for those wonderful Reduction of Forces boards that comes every so often.

I should also point out that Soldiers who are in the midst of civilian legal action are supposed to be flagged until the outcome of that action. While they're flagged they can't reenlist or PCS. But the commander is authorized to extend them long enough to see the end of their legal action. You can find the exact details and requirements in the regulation on flags AR 600-8-2

Is there a bar or flag? Any felony can cause problems to enlist or re-enlist. Will his probation be over before his ETS? He should start preparing on how to sell himself to the command to ask to re-enlist. There will be paperwork to answer.