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 1998 Indian Stock Option Plan of Rational Software
Corporation of our report dated April 18, 2000, with respect to the
consolidated financial statements and schedule of Rational Software
Corporation included in its Annual Report (Form 10-K) for the year ended March
31, 2000, filed with the Securities and Exchange Commission.
/s/ Ernst & Young LLP
Palo Alto, California
August 4, 2000
