Integral Systems (ISYS) 10-K 2006 FY Annual report

Exhibit 23.2

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the following Registration Statements,

• Form S-8, No. 333-41123

• Form S-8, No. 333-61559,

• Form S-8, No. 333-76360,

• Form S-8, No. 333-87694,

• Form S-3, No. 333-102100,

• Form S-3, No. 333-112659,

• Form S-3, No. 333-122963,

• Form S-3, No. 333-129820, and

• Form S-8, No. 333-133769

of our report dated November 30, 2005, with respect to the fiscal year 2005 consolidated financial statements, management’s assessment of the effectiveness of internal control over financial reporting, and the effectiveness of internal control over financial reporting of Integral Systems, Inc., and subsidiaries included in this Annual Report (Form 10-K) for the year ended September 30, 2006.

/S/ GRANT THORNTON LLP

McLean, Virginia

December 12, 2006