EXHIBIT 23.7 CONSENT OF MORGAN STANLEY & CO. INCORPORATED The Board of Directors of Breakaway Solutions, Inc.: We hereby consent to the inclusion in the consent solicitation statement/prospectus of Breakaway Solutions, Inc. forming part of this Registration Statement on Form S-4 of our opinion dated January 24, 2000 to the Board of Directors of Breakaway Solutions, Inc. attached as Annex C to the consent solicitation statement/prospectus. /s/ Cole R. Bader Vice President MORGAN STANLEY & CO. INCORPORATED New York, New York February 28, 2000