How to find the installation number (for RHEL 5) in the Customer Portal

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If you are installing Red Hat Enterprise Linux 5, you may use an installation number (subscription number) to locate the appropriate software for your subscription. To find your installation number (subscription number) :


  1. Login to your Cutomer Portal page at
  2. Choose the 'Manage your Subscriptions' tab.
  3. You will see your installation number (subscription number) in the seventh column beside the corresponding subscription.

You will also see the details of your subscription.


More details and Frequently Asked Questions regarding installation numbers are available at the following page:


Careful, RHEL 6 does not utilize installation numbers.

It seems from that article that only RHEL 5 uses installation numbers, a line from your article quoted below:
RHEL 5 is the only version that uses installation numbers