For a print server, a connection occurs during a user login and during a print job. During logon, a connection is made to the print server to query information about the necessary printers. During a print job, a connection is opened that sends print data to the print server. Additionally, a user opening the Advanced Print Features dialog will trigger a connection to the print server.
All connections are non-persistent, meaning that they will close as soon as the operation is finished. During login, the connection will likely only be open for a few seconds. During a print job, the connection is likely to complete within a few seconds but it can go longer depending on the size of the print job. Since these are non-persistent connections, the concern for the connection limit is simultaneous connections within a window of a few seconds.
Generally, this setting is only a concern in large environments with heavy print traffic. Only change this setting if there is behavior described in the "problem" section or under advisement from Tricerat Support.
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