EXHIBIT 10.24 LETTER AGREEMENT AMENDING THE LOAN AGREEMENT Overton Bank & Trust, N.A. South Arlington Office Curtis F. Von Der Ahe President July 25, 1996 Mr. Tom Hoefert, CFO InnoServ Technologies, Inc. 4330 Beltway #300 Arlington, TX 76018 REFERENCE: LOAN AGREEMENT DATED DECEMBER 15, 1995 COVENANT VIOLATIONS. Dear Mr. Hoefert, You have indicated that you are in violation of the Minimum Tangible Net Worth and Current Ratio covenants outlined in our loan agreement referenced above. We hereby waive compliance with these covenants thru April 30, 1996 and re-set these covenants as follows: Minimum Tangible Net Worth $5,722,000 Minimum Current Ratio 1.00 to 1.00 If you require anything else, please do not hesitate to call. Sincerely, /s/ CURTIS F. VON DER AHE - -------------------------------------- Curtis F. Von Der Ahe, PRESIDENT