Patent ID: 7257713

Claim:
A method for generating access authorization between computer systems in data communications over a data communications connection, said method comprising: a) in a first communication session established between first computer system and second computer system, transferring unique data from said first computer system to said second computer system, said second computer system including a client device adapted to receive product support from said first computer system, said transferring of said unique data being uni-directional; b) both said first and said second of said computer systems independently generating a logon access authorization value as a function of the unique data, the value being stored at each respective first and second computer systems; and c) during a subsequently established second communication session between first computer system and second computer system, said first computer system requesting logon access to said second computer and transmitting said independently generated logon authorization value to said second computer system, said second computer system validating the logon access authorization value to permit logon access to said second computer system and provide product support services to said client device by said first computer system during said second communication session.