EXHIBIT 99.2

                    CERTIFICATION OF CHIEF FINANCIAL OFFICER

I, Kristen L. Magnuson, Executive Vice President and Chief Financial Officer of
JDA Software Group, Inc. (the "Registrant"), do hereby certify in accordance
with 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley
Act of 2002, that, based on my knowledge:

      (1) the Quarterly Report on Form 10-Q of the Registrant, to which this
      certification is attached as an exhibit (the "Report"), fully complies
      with the requirements of Section 13(a) of the Securities Exchange Act of
      1934 (15 U.S.C. 78m); and

      (2) the information contained in the Report fairly presents, in all
      material respects, the financial condition and results of operations of
      the Registrant.

Dated: November 11, 2002                        /s/  Kristen L. Magnuson
                                                -------------------------------
                                                Kristen L. Magnuson
                                                Executive Vice President and
                                                Chief Financial Officer