Rolling back AIX Runtime Expert profiles

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Use the artexset –u command to reset the configuration settings to the previous configuration setting of a system. You can apply the system settings that were being used before the profile was applied.

You cannot use the rollback command if you have not changed the system settings during your current session.

Rolling back is not considered a re-imaging of an operating system. When you use the rollback command, you are not deleting or creating resources, you are not deleting or creating resources but instead reverting the runtime configuration values to the system's previous settings. With the rollback command you cannot roll back to settings from a particular time or date. You can only roll back to the systems previous settings before you made a change.

The rollback command can be used in the following cases:

Testing configuration changes to a system. If the new configuration works poorly, you can quickly revert to a previously trusted configuration.
Debugging a system. If a system starts running poorly, a roll back could confirm if configuration changes have played a part in a newly detected problem.
Implementing a new profile in order to satisfy some special exception situation. For example, a specified action only occurs once a month on the system, and after it has been applied to your system you want to restore the system to its previous configuration.

To roll back to the previous system settings, complete the following steps:

To roll back a profile, run the following command:
```
artexset -u
```
To verify that the roll back completed correctly, run the following command to compare system settings:
```
artexdiff -f txt -r -profile_name.xml
```
Note: The profile_name.xml is the name of the latest applied profile to the system.

The differences between the system and the profile are displayed.