> ### Upgrading an earlier version of Fathom

> You can upgrade an earlier version of Fathom. Note that the upgrade installs Fathom in the same directory as the existing Fathom, so you are not able to specify a different installation directory.

> Be sure to have the serial and control numbers for Fathom and the SNMP Adapter (if applicable) handy before you begin the upgrade. These numbers are included in your Fathom media kit.

> Caution: Before you begin to upgrade your Fathom installation, be sure to back up your entire Fathom install directory. Also, be sure to back up the `Fathomcp_env` and `Fathom_env` files, which are located in the following directory: `<`OpenEdge-install-dir`>/bin`. Also back up the `.fathom` file (which is a hidden file), which you can find in the following directory: <OpenEdge-install-dir>.

> To upgrade Fathom:

> 1. Stop the AdminServer and any other running OpenEdge processes, using the `proadsv` utility with the following syntax:

>     proadsv -stop

> 2. Insert the installation CD into your CD-ROM drive. The Welcome screen appears:

> 3. Press ENTER. The OpenEdge Path screen appears:

> 4. Enter the full path to the existing OpenEdge installation, then press ENTER.
> The installation detects the earlier version of Fathom, and you are asked if you want to upgrade:

> 5. Press Y. The following information screen appears:

> 6. Press ENTER. The Product Configuration Data screen appears:

> 7. Enter a company name, the serial number, and the control numbers for Fathom. (The company name can be any character string.) Then press ENTER.
> 8. If applicable, enter the serial number and the control numbers for the SNMP Adapter. Then press ENTER.
> 9. When you are done with this screen, press CTRL-E. The Done Configuration Data Confirmation screen appears:

> 10. Press Y. The Complete Installation screen appears:

> The upgrade installation begins. An indicator showing the progress of the installation appears, followed by a message informing you that the installation program is tailoring the installed files.

> When tailoring is complete, an informational message appears telling you how you can start Fathom and begin the configuration process:

> 11. Press ENTER. The following informational message appears:

> 12. Choose End the Progress Installation or View Release Notes, and press ENTER.
> 13. Restart the AdminServer using the `proadsv` utility with the following syntax:

>     proadsv -start

> For more information on `proadsv`, see OpenEdge Data Management: Database Administration.

> Note: Be sure that you are not root when you restart the AdminServer. If you start the AdminServer as root, root has exclusive ownership and access to the files that you create when running Fathom. You will be unable to access those files when logged in as a user without root permissions.

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