Addendum 4

Exhibit 10.36

Addendum 4

This Addendum 4 becomes part of the Xcelerate Partner Agreement (the “Agreement”) dated July 30, 2001, between NSI and Sunbelt Software International (“DISTRIBUTOR”).

Whereas, NSI and DISTRIBUTOR wish to modify certain provisions regarding the marketing rebate, the Xcelerate Partner Agreement shall be modified as follows:

The following language should be added to the end of Schedule B:

10. In consideration for DISTRIBUTOR providing, during the initial license year, technical support for customers who have purchased Double-Take through Stratus Technology or a Stratus Technology reseller, NSI agrees to pay DISTRIBUTOR 10% of the then current NSI list price. Such fee shall not be added to the Aggregate Dollar Value as suhch these monies shall not qualify for Marketing Development Funds or a Marketing Rebate. Payment by NSI will be made quarterly after NSI has received a Sales report and full payment from Stratus for such sales.

Network Specialists, Inc.				DISTRIBUTOR: Sunbelt International
Date:		5-31-02		Date:		May 31st, 2001
Signature:		/s/ Xxxxx Xxxxxx		Signature:		/s/ Xx Xxxxxxxx
Print Name:		Xxxxx Xxxxxx		Print Name:		Xx Xxxxxxxx
Title:		COO		Title:		CEO
Fax Number: (000) 000 0000				Fax Number:

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