To attain a network computing system capable of improving the easiness of use and maintaining/improving the security of a server computer by eliminating the necessity of a procedure for previously registering the information of a client computer in the server computer and increasing the number of terminals capable of accessing their own server computers and requesting their processing.

A job control part 56 in a server computer 50 collates a remotely accessed user identification(ID) information with the contents of a registered user file 60 by access user verification processing 58 and approves the access. The ID information or the like of the client computer related to an unapproved access is registered in a correspondence table 64. The client computer requests remote processing by adding user ID information and client ID information and processing request approving/determining processing 62 collates the added and sent information with the contents of the table 64 to approve the processing request.