CUPS Print Server Not Responding to Client Connections

Solution Unverified - Updated -


  • Print server is not printing jobs to any branch.
  • Print server running on RHEL is no longer printing.
  • lpstat command hangs.
  • Printing becomes slow. The CUPS Error Log includes the message "Max clients reached, holding new connections".
  • What is the maximum number of simultaneous clients that CUPS can handle?


  • Red Hat Enterprise Linux (RHEL)
  • Common Unix Printing System (CUPS)

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content