G.2 For the server
Immediately after the FTP control connection is established, JP1/FTP returns the following message as a response to the FTP client:
421 Maximum clients reached service unavailable.
For UNIX Systems Job Management Partner 1 Version 10 Job Management Partner 1/File Transmission Server/FTP Description, Reference and Operator's Guide
G.2 For the server
Immediately after the FTP control connection is established, JP1/FTP returns the following message as a response to the FTP client:
421 Maximum clients reached service unavailable.