ex23-01.htm

We consent to the incorporation by reference in the Registration Statements on Form S-3 (No. 333-148840) and Form S-8 (No. 333-139369) of Double-Take Software, Inc. (formerly NSI Software, Inc) and its subsidiaries of our reports dated March 10, 2010 relating to the financial statements, financial statement schedule, and the effectiveness of internal control over financial reporting, which appears in this Form 10-K. Also, we consent to the reference to our firm as experts in the Form S-3.