If the editors are active, then I should suggest there's no need to reconfirm.
From the en.wikipedia.org
You confirm and reconfirm the accuracy of assertions and supposed facts and quotes.
From the theatlantic.com
That e-mail voucher should have instructed her to reconfirm her tour ahead of time.
From the usatoday.com
It would be easier if UN observers were allowed in, to reconfirm if its true or not.
From the economist.com
Disney closed the ride Tuesday after the incident to reconfirm its status.
From the orlandosentinel.com
Rice called him again shortly before her news conference to reconfirm his commitment.
From the washingtonpost.com
If the community is happy with the job I've done, they should reconfirm me.
From the en.wikipedia.org
Will Louisville tight end Jon Davis reconfirm his Kentucky commitment?
From the kentucky.com
Scientists are anxious to reconfirm their initial findings, Doody says.
From the chron.com
More examples
Confirm again; "You must reconfirm your flight reservations"
To confirm again; to establish more firmly
(Reconfirmation) Please reconfirm all forward and onward travel arrangements (including domestic connecting flights required upon your return) 72 hours prior to departure. Failure to do so could result in the cancellation of your journey.
(Reconfirmation) All online now. You can even choose which seats you want on the way back before you leave home. Don't forget to mention if you're a vegetarian or anything.