Epicor Software 10-Q 2010 Q3 Quarterly report

Exhibit 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER

PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, L. George Klaus, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Quarterly Report of Epicor Software Corporation on Form 10-Q for the period ended September 30, 2010 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended, and that information contained in such Quarterly Report on Form 10-Q fairly presents in all material respects the financial condition and results of operations of Epicor Software Corporation.

Date:November 8, 2010	By:	/s/ L. George Klaus
		L. George Klaus
		Chairman, President and Chief Executive Officer
		(Principal Executive Officer)

I, Michael Pietrini, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Quarterly Report of Epicor Software Corporation on Form 10-Q for the period ended September 30, 2010 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended, and that information contained in such Quarterly Report on Form 10-Q fairly presents in all material respects the financial condition and results of operations of Epicor Software Corporation.

Date:November 8, 2010	By:	/s/ Michael Pietrini
		Michael Pietrini
		Chief Financial Officer, Executive Vice President Finance and Administration (Principal Financial Officer)