Where a defendant seeking to vacate a default raises a jurisdictional objection, pursuant to CPLR 5015(a)(4), the court must resolve the jurisdictional question before determining whether it is appropriate to grant a discretionary vacatur of the default. The plainttiff has the burden of proving that the court has personal jurisdiction over the defendant.
Deutsche Bank Natl. Trust Co. v. Fernandez, NY Slip Op 05150 (2d Dep't September 14, 2022)