While registering a system to the Red Hat Satellite server or the Red Hat Classic, it fails with "Error Class Code: 3"; how is this issue resolved?

Solution Verified - Updated -


  • While trying to register one of our systems with the Red Hat Network, received an error:
Error Class Code: 3 
 Error class info: This login is already taken, or the password is incorrect. 


  • Red Hat Enterprise Linux (RHEL)
  • Red Hat Classic
  • Red Hat Satellite 5.x

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