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                                                                    EXHIBIT 23.1


               CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS

         We consent to the incorporation by reference in the Registration
Statement (Form S-8) pertaining to the 1996 Stock Option Plan of our report
dated August 1, 2000 with respect to the consolidated financial statements of
ProBusiness Services, Inc. incorporated by reference to its Annual Report on
Form 10-K (333-31860) for the fiscal year ended June 30, 2000 and the related
financial statement schedule included therein, filed with the Securities and
Exchange Commission.

                                   /s/ ERNST & YOUNG LLP

Walnut Creek, California
June 13, 2001