ARIBA INC - FORM 10-K - EX-23.1 - CONSENT OF ERNST & YOUNG LLP - November 25, 2009

Attached files

file filename
EX-10.7 - FIRST AMENDMENT TO LEASE, DATED AS OF JANUARY 12, 2001 (MOFFETT PARK DRIVE LLC) - ARIBA INCdex107.htm
EX-21.1 - SUBSIDIARIES - ARIBA INCdex211.htm
EX-31.2 - SECTION 302 CFO CERTIFICATION - ARIBA INCdex312.htm
EX-31.1 - SECTION 302 CEO CERTIFICATION - ARIBA INCdex311.htm
EX-32.1 - SECTION 906 CEO AND CFO CERTIFICATION - ARIBA INCdex321.htm
EX-10.22 - LETTER AGREEMENT, DATED NOVEMBER 9, 2007, BY AND BETWEEN JUNIPER NETWORKS, INC. - ARIBA INCdex1022.htm
EX-10.25 - THIRD AMENDMENT OF SUBLEASE, DATED MARCH 31, 2008, BETWEEN MOTOROLA & ARIBA - ARIBA INCdex1025.htm
EX-10.21 - LETTER AGREEMENT, DATED APRIL 9, 2008, BY AND BETWEEN JUNIPER NETWORKS, INC. - ARIBA INCdex1021.htm
EX-10.16 - FOURTH AMENDMENT TO LEASE, DATED JULY 10, 2002 (ONE OLIVER ASSOCIATES) - ARIBA INCdex1016.htm
EX-10.10 - FOURTH AMENDMENT TO LEASE, DATED AS OF JULY 6, 2007 (MOFFETT PARK DRIVE LLC) - ARIBA INCdex1010.htm
EX-10.11 - LETTER BETWEEN MOFFETT PARK DRIVE LLC AND THE REGISTRANT - ARIBA INCdex1011.htm
EX-10.17 - FIFTH AMENDMENT TO LEASE, DATED OCTOBER 31, 2004 (ONE OLIVER ASSOCIATES) - ARIBA INCdex1017.htm
10-K - FORM 10-K - ARIBA INCd10k.htm
EX-10.8 - SECOND AMENDMENT TO LEASE, DATED AS OF OCTOBER 31, 2002 (MOFFETT PARK DRIVE LLC) - ARIBA INCdex108.htm

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-159947, 333-142810, 333-117437, 333-107864, 333-84916, 333-73458, 333-61064, 333-46820, 333-33544, 333-95665, 333-89119, and 333-81773) of Ariba, Inc. of our reports dated November 25, 2009, with respect to the consolidated financial statements of Ariba, Inc. and the effectiveness of internal control over financial reporting of Ariba, Inc., included in this Annual Report (Form 10-K) for the year ended September 30, 2009.

/s/ Ernst & Young LLP

Pittsburgh, Pennsylvania

November 25, 2009

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