Cannot attach a subscription to a system registered in Subscription Management

Solution In Progress - Updated -

Environment

  • Red Hat Enterprise Linux
  • Subscription Management

Issue

  • Cannot attach a subscription to a system registered in Subscription Management
# subscription-manager register --autosubscribe
Username: user
Password: password
The system has been registered with id: xyzxyzxy-zxyz-xyzx-xyzx-xyzxyzxyzxyz
Installed Product Current Status:
Product Name:           Red Hat Enterprise Linux Server
Status:                 Not Subscribed

Resolution

  • In VMware, change the CPU topology.
    For example, a VMware virtual system presented with 4 sockets, change to 2 sockets, 2 cores per socket
    (which would still be 4 vCPUs).

Root Cause

  • The subscription purchased is only up to 2 sockets but the VMware virtual guest contains 4 sockets.

Diagnostic Steps

  1. Check the subscription available:

    Red Hat Enterprise Linux Server, Standard (1-2 sockets) (Up to 1 guest)

  2. Check the system fact for the number of sockets:

   # subscription-manager facts
    redhat.example.com
    distribution.version   6.4
    cpu.cpu_socket(s)    4
    dmi.system.manufacturer  VMware, Inc.

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