Appellants claim, as a reasonable excuse for their nonappearance, that they never received any copy of the process in the action because their address on file with the Secretary of State was obsolete. However, the failure to file a change of address with the Secretary of State generally is not a reasonable excuse under CPLR 5015 (a) (1) ( Crespo v A.D.A. Mgt., 292 AD2d 5). While such a failure does not constitute a per se barrier to vacatur, and some flexibility may be allowed by the courts ( Eugene Di Lorenzo, Inc. v AC Dutton Lbr. Co., 67 NY2d 138, 143), here flexibility is not warranted. At least three years passed during which the appellants' address on file with the Secretary of State was not updated, and appellants' principal, while denying that he had received the default order, acknowledged that it had been mailed to his home address ( see KPG Inc. v Salinas Group Ltd., 11 AD3d 338).