Aeon Global Health 10-Q 2015 Q3 Quarterly report

Exhibit 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE

SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Authentidate Holding Corp. (the “company”) on Form 10-Q for the period ending March 31, 2015 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), the undersigned, being, Ian C. Bonnet, Chief Executive Officer of the company, and William A. Marshall, Chief Financial Officer of the company, respectively, do each hereby certify, pursuant to 18 U.S.C. ss.1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of the company.

Dated: May 20, 2015

/s/ Ian C. Bonnet	/s/ William A. Marshall
Chief Executive Officer	Chief Financial Officer

A signed original of this written statement required by Section 906 has been provided to the company and will be retained by the company and furnished to the Securities and Exchange Commission or its staff upon request.