Short Answer
Absolutely!
Discussion
During my career I watched numerous Soldier pass up promotion boards, schools, and other career enhancing events because they were not going to reenlist. However most of them reenlisted at the last minute. This initial decision caused them to lose out on many opportunities.
Counseling Template
________{insert Rank/Name}, on ________{insert date}, we discussed your potential reenlistment. Your current ETS date is:___________{insert date}, your current reenlistment window closes on or about ________{insert date}. Should you choose not to reenlist within your reenlistment window which ends on or about ________{insert date}. There is very little chance you will be allowed to reenlist as the Army is changing reenlistment requirements to meet drawndown requirements.________{insert specifics}. Furthermore I highly encourage you to attend all promotion boards, schooling, or any other event that will have a positive impact on your career should you decide to reenlist.