A party seeking to vacate a default must establish a reasonable excuse for the default and a potentially meritorious defense (see CPLR 5015 [a] [1]; Lueders v Boma-Lueders, 85 AD3d 1130 [2011]; Matter of Petulla v Petulla, 85 AD3d 925 [2011]). “The question of ‘whether to relieve a party of an order entered on default is a matter left to the sound discretion of the court’ ” (Matter of Lee v Morgan, 67 AD3d 681, 682 [2009], quoting Matter of Fierro v Fierro, 211 AD2d 676, 678 [1995]). However, “orders entered upon default are disfavored in child support cases” (Matter of Gabriel v Cooper, 26 AD3d 493, 494 [2006]; see Matter of Dellagatta v McGillicuddy, 31 AD3d 549, 550 [2006]; Matter of Patricia J. v Lionel S., 203 AD2d 979 [1994]; cf. Lueders v Boma-Lueders, 85 AD3d 1130 [2011]).
In addition, the petitioner followed the proper procedure with respect to service of process upon the respondent, whose address was confidential (see Family Ct Act § 154-b [2] [c]).
Accordingly, “considering that public policy favors resolution of cases on the merits” (M.S. Hi-Tech, Inc. v Thompson, 23 AD3d 442, 443 [2005]; see Mann v Mann, 149 AD2d 669, 671 [1989]), particularly where proceedings involve issues of child support (see Matter of Dellagatta v McGillicuddy, 31 AD3d at 550; Matter of Gabriel v Cooper, 26 AD3d at 494), the Family Court should have granted the father’s objections to the order denying his motion to vacate his default, and we remit the matter to the Family Court, Suffolk County, for a hearing and new determination as to child support. Skelos, J.P., Dickerson, Leventhal and Lott, JJ., concur.