Rebate addendum to the Product License and Distribution Agreement

Exhibit 10.31A

Rebate addendum to the

Product License and Distribution Agreement

Between

DoubleTake, Inc. (“Provider”)

and

Dell Product, L.P. (“Dell”)

Dated November 16, 2001

This Addendum (the “Addendum”) entered into on June 13, 2007 (“Effective Date”) between Provider and Dell supplements and amends the terms of the Product License and Distribution Agreement between Provider and Dell dated the 16 ^th day of November, 2001 (the “Agreement”). Except as specifically set forth in this Addendum, all terms and conditions of the Agreement shall remain in full force and effect. To the extent that there is any conflict or inconsistency between this Addendum and the Agreement, this Addendum shall govern and control solely with respect to the subject matter hereof.

Provider and Dell agree:

(1) Defined terms in this Addendum are:

“Rebate Period” means each 12 month period beginning on the Effective Date above and continuing for 3 years.

“Dell Fiscal Year” means the 12 months period between February of one year and January of the following year.

* 

“Rebate” means an amount to be paid by Provider to Dell as provided under this Addendum.

“Products” means all Provider and Affiliate products, services, maintenance and renewals sold in each Worldwide region through the Dell S&P.

“Worldwide” means Dell Americas (US — Latin America — Canada) and Asia Pacific, Japan. EMEA regions will be excluded from this agreement until Dell Q2, FY09. EMEA will be included in the definition of Worldwide beginning in Dell Q2, FY09. New Zealand and Australia will be excluded from this agreement until Dell Q2, FY09. New Zealand and Australia will be included in the definition of Worldwide beginning in Dell Q2, FY09.

“* Sales” means the total dollar amount invoiced by Provider or an Affiliate either directly to Dell or to an authorized distributor for the sale of all Products sold in each Worldwide region through D