Exhibit 32.01

CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, John W. Thompson, Chairman and Chief Executive Officer of Symantec Corporation (the “Company”), do hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge: (i) the Company’s annual report on Form 10-K for the period ended March 31, 2006, to which this Certification is attached (the “Report”), fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934, as amended, and (ii) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: June 8, 2006	By:	/s/ John W. Thompson
		John W. Thompson
		Chairman and Chief Executive Officer
		(Principal Executive Officer)

This Certification which accompanies the Report is not deemed filed with the Securities and Exchange Commission and is not to be incorporated by reference into any filing of the Company under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended (whether made before or after the date of the Report), irrespective of any general incorporation language contained in such filing.